01_10_2013_15_26_40mv current transformers.pdf
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
6
General DefinitionsGeneral DefinitionsGeneral definitions have been given according to International Standarts IEC 6OO44General definitions have been given according to International Standarts IEC 6OO44.
Instrument TransformerInstrument TransformerA transformer intended to supply measuring instruments meters, protection relays and other similiar apparatus.A transformer intended to supply measuring instruments meters, protection relays and other similiar apparatus.
Applicable StandardsApplicable StandardsOur transformers comply with applicable national and international standards.Our transformers comply with applicable national and international standards.
Current TransformersCurrent TransformersAn instrument transformer in which the secondary current, in normal conditions of useAn instrument transformer in which the secondary current, in normal conditions of use, is substantially proportional to the primary is substantially proportional to the primarycurrent and differs in phase from it by angle which is approximately zero for an appropriate direction of the connections.current and differs in phase from it by angle which is approximately zero for an appropriate direction of the connections.It isolates the instrument and protection circuit from the primary side and protect the devices against overload according to the It isolates the instrument and protection circuit from the primary side and protect the devices against overload according to the overcurrent characteristics of the transformer. Current transformers can have several secondary windings with cores of identical ofovercurrent characteristics of the transformer. Current transformers can have several secondary windings with cores of identical ofdifferent characteristics completely isolated from each other.different characteristics completely isolated from each other.
Measuring Current TransformerMeasuring Current TransformerA current transformer intended to supply indicating instruments, integrating meters and similiar apparatus.A current transformer intended to supply indicating instruments, integrating meters and similiar apparatus.
Protective Current TransformerProtective Current TransformerA current transformer intended to supply protective relays.A current transformer intended to supply protective relays.
Primary WindingPrimary WindingThe winding through which flows the current to be transformed.The winding through which flows the current to be transformed.
Secondary WindingSecondary WindingThe winding, which supplies the current circuits of measuring instruments, meters, relays or similiar devices.The winding, which supplies the current circuits of measuring instruments, meters, relays or similiar devices.
Secondary CircuitSecondary CircuitThe external circuit supplied by the secondary winding of a transformer.The external circuit supplied by the secondary winding of a transformer.
Rated Primary CurrentRated Primary CurrentThe value of the primary current on which the performance of the transformer is based.The value of the primary current on which the performance of the transformer is based.
Rated Secondary CurrentRated Secondary CurrentThe value of the secondary current on which the performance of the transformer is based.The value of the secondary current on which the performance of the transformer is based.
Rated Transformation RatioRated Transformation RatioThe ratio of rated primary current to the rated secondary current (I1NThe ratio of rated primary current to the rated secondary current (I1N/ I2N-i.e. 1OOI2N-i.e. 1OO/5A)5A)
Current Error (Ratio Error)Current Error (Ratio Error)The error which a transformer introduces into the measurement of a current and which arises from the fact that the actualThe error which a transformer introduces into the measurement of a current and which arises from the fact that the actualtransformation ratio is not equal to the rated transformation ratio.transformation ratio is not equal to the rated transformation ratio.The current error expressed in per cent is given by formula:The current error expressed in per cent is given by formula:Current Error Current Error % (Kn Is - Ip) (Kn Is - Ip)
WhereWhereKn is the rated transformation ratio;Kn is the rated transformation ratio;Ip is the actual primary currentIp is the actual primary currentIs is the actual secondary current when Ip is flowing under the conditions of measurements. Is is the actual secondary current when Ip is flowing under the conditions of measurements.
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Accuracy ClassAccuracy ClassA designation assigned to a current transformer errors of which remain within specified limits under prescribed conditions of use.A designation assigned to a current transformer errors of which remain within specified limits under prescribed conditions of use.
BurdenBurdenThe impedance of the secondary circuit in ohms and power-factor. The burden is usually expressed as the apparent power in The impedance of the secondary circuit in ohms and power-factor. The burden is usually expressed as the apparent power in voltamperes absorbed at a specified power-factor and at the rated secondary current.voltamperes absorbed at a specified power-factor and at the rated secondary current.
Rated BurdenRated BurdenThe value of the burden on which the accuracy requirements are based on.The value of the burden on which the accuracy requirements are based on.
Rated OutputRated OutputThe value of the apparent power (in voltamperes at a specified power-factor) which the transformer is intended to supply to theThe value of the apparent power (in voltamperes at a specified power-factor) which the transformer is intended to supply to thesecondary circuit at the rated secondary current and with rated burden connected to it.secondary circuit at the rated secondary current and with rated burden connected to it.
Rated Insulation LevelRated Insulation LevelThe combination of voltage values which characterizes the insulation of a transformer with regard to its capability to whitstandThe combination of voltage values which characterizes the insulation of a transformer with regard to its capability to whitstanddielectric stresses.dielectric stresses.
Rated FrequencyRated FrequencyThis is the frequency for which the transformer is designed and given in Hz on the rating plate.This is the frequency for which the transformer is designed and given in Hz on the rating plate.
Rated Short-Time Thermal Current (Ith)Rated Short-Time Thermal Current (Ith)The r.m.s. value of the primary current which a transformer will withstand for one second without suffering harmful effectsThe r.m.s. value of the primary current which a transformer will withstand for one second without suffering harmful effectsthe secondary winding being short-circuited.the secondary winding being short-circuited.
Rated Dynamic Current (ldyn)Rated Dynamic Current (ldyn)The peak value of the primary current which a transformer will withstand without being damaged electrically or mechanicallyThe peak value of the primary current which a transformer will withstand without being damaged electrically or mechanicallyby the resulting electromagnetic forces the secondary winding being short-circuited.by the resulting electromagnetic forces the secondary winding being short-circuited.
Rated Continuous Thermal CurrentRated Continuous Thermal CurrentThe value of the current which can be permitted to flow continuously in the primary winding the secondary winding being The value of the current which can be permitted to flow continuously in the primary winding the secondary winding being connected to the rated burden without temperature rise exceeding the values specified.connected to the rated burden without temperature rise exceeding the values specified.
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
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CONNECTION DIAGRAMSCONNECTION DIAGRAMS
Single Ratio Current TransformersSingle Ratio Current Transformers
S1 S2S2 1S11S1 1S2 2S1 2S22S2 3S1
Multi CoresMulti Cores3S23S2
P1 P1 P2P2P2P2
Single CoreSingle Core
Reconnection of Current TransformerReconnection of Current TransformerIn case of changeable ratios, it is possible to design the transformer with primary reconnection or secondary tapping;In case of changeable ratios, it is possible to design the transformer with primary reconnection or secondary tapping;
Primary ReconnectionPrimary ReconnectionChangeover will be done at the primary Changeover will be done at the primary side by using joint bars.side by using joint bars.Can be used only for primary currents up to 2 x 6OOACan be used only for primary currents up to 2 x 6OOA
Secondary TappingSecondary TappingChangeover will be done at the secondary side. Changeover will be done at the secondary side.
S1 S2
P1 C1 C2 P2
C1 -C2 short circuited: low rated currentC1 -C2 short circuited: low rated currentP1 - C1 and P2 - C2 short circuited: high rated currentP1 - C1 and P2 - C2 short circuited: high rated current
S1 -S2 low rated currentS1 -S2 low rated currentS1 - S3 high rated currentS1 - S3 high rated current
P1P1
S1 S2 S3
P2P2
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Safety Operation Conditions for Current TransformersSafety Operation Conditions for Current Transformers
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- The secondary circuit of a current transformer must not be operated with an open - circuit.- The secondary circuit of a current transformer must not be operated with an open - circuit.- The secondary winding of a current transformer which will not be used must- The secondary winding of a current transformer which will not be used must be short - circuited and earthed as seen in Diagram-2 be short - circuited and earthed as seen in Diagram-2
- When the secondary terminals are connected to the measuring or protection devices - When the secondary terminals are connected to the measuring or protection devices one of the terminals should be earthed for safety as seen in Diagram-1.one of the terminals should be earthed for safety as seen in Diagram-1.
- For the transformer with reconnectable and - or tapped secondaries - For the transformer with reconnectable and - or tapped secondaries unused terminals must be left open as seen in Diagram-3.unused terminals must be left open as seen in Diagram-3.
- The current transformers which have capacitive divider tap (Ck) must be connected to the indicator if the tap will- The current transformers which have capacitive divider tap (Ck) must be connected to the indicator if the tap willnot be used then it must be earthed.not be used then it must be earthed.
S1 S2S2
P1P1 P2
A
Diagram-1Diagram-1
S1 S2S2
P1P1 P2
Diagram-2Diagram-2
S1 S2S3 openS3 open
P1P1 P2
A
Diagram-3Diagram-3
M.V. CURRENT TRANSFORMERS CONNECTION CLEARENCESM.V. CURRENT TRANSFORMERS CONNECTION CLEARENCES
a b
Insulation LevelInsulation Level
12kV
24kV24kV
36kV
a minimuma minimum
1OOmm
19Omm19Omm
3O5mm3O5mm
b minimumb minimum
11Omm
21Omm21Omm
325mm
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
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Technical DataTechnical Data
- Up to 3 cores- Up to 3 cores*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV .. . . . . . . . . . . . . 12kV BLOCK TYPES)(Um=3,6kV .. . . . . . . . . . . . . 12kV BLOCK TYPES)
TYPESTYPES ATB 1O-B ATB 1O-B ATB 1O-B2ATB 1O-B2 ATB 1O-B3ATB 1O-B3 ATB 1O-2ATB 1O-2
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
3,6 7,2 123,6 7,2 12
1O 2O 281O 2O 28
4O 6O 754O 6O 75
5O-6O5O-6O
5 - 25OO5 - 25OO
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
2O - 252O - 25 28 - 3328 - 33 33 - 3633 - 36 36
(On request 3OOOA 1.Oxln (On request 3OOOA 1.Oxln / Cont. & Cont. &Insulation class B )Insulation class B )
On request operating voltage of 17,5 kV is available.On request operating voltage of 17,5 kV is available.* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.
** It can be produced according to customer's specified ambient temperature.Please contact with ESiTAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESiTAS for feasibility.
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1111
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGINDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWING(Um=3,6kV .. . . . . . . . . . . . . 12kV BLOCK TYPES)(Um=3,6kV .. . . . . . . . . . . . . 12kV BLOCK TYPES)
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
TYPES
ATB 1O-B
ATB 1O-B2
ATB 1O-B3
ATB 1O-2
A B C D E F G H
355 155 22O 148 29O 125 27O
395 195 22O 148 33O 125 31O
2O
2O
455 255 22O 148 39O 125 37O 2O
355 155 22O 175 29O 15O 27O 2O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
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Technical DataTechnical Data
- Up to 3 cores- Up to 3 cores*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV .. . . . . 12kV, 17,5 . . . . . . 24kV NEW BLOCK TYPES)(Um=3,6kV .. . . . . 12kV, 17,5 . . . . . . 24kV NEW BLOCK TYPES)
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** On request ATB 1O-BS operating voltage of 17,5kV is available. On request ATB 1O-BS operating voltage of 17,5kV is available.
*** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
TYPESTYPES ATB 1O-BSATB 1O-BS ATB 2O-BSATB 2O-BS
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
3,6 7,2 123,6 7,2 12
1O 2O 281O 2O 28
4O 6O 754O 6O 75
17,5 2417,5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
5 - 25OO5 - 25OO
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O******
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
2O - 252O - 25 3O3O
(On request 3OOOA 1.Oxln (On request 3OOOA 1.Oxln / Cont. & Cont. &Insulation class B )Insulation class B )
**
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1313
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGINDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWING(Um=3,6kV .. . . . . 12kV, 17,5 . . . . . . 24kV NEW BLOCK TYPES)(Um=3,6kV .. . . . . 12kV, 17,5 . . . . . . 24kV NEW BLOCK TYPES)
TYPES
ATB 1O-BS
ATB 2O-BS
A B C D E F G H I J
355 155 22O 148 299 135 -
355 155 28O 178 3OO 135 34O
125
15O
27O
28O
2O
2O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
8Omm will be8Omm will be7Omm at7Omm atATB1O-BSATB1O-BS
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
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TYPESTYPES ATB 1O-1OATB 1O-1O ATB 1O-15ATB 1O-15
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) Rated dynamic current (ldyn) (kA)(kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
3,63,6 7,27,2 12
1O 2O 28
4O 6O 7575
5O-6O5O-6O
5-up to 125O5-up to 125O
2x5- 2x6OO2x5- 2x6OO
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
(max. 2OO x In)(max. 2OO x In)****
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O******
1OOO
According to the customer requirementsAccording to the customer requirements
12 17
On request operating voltage of 17,5 kV is available.On request operating voltage of 17,5 kV is available.* For more cores please contact with ESITAS for feasibility.For more cores please contact with ESITAS for feasibility.
** May vary according to requested primary current and core values. May vary according to requested primary current and core values.*** It can be produced according to customer's specified ambient temperature. Please contact with ESiTAS for feasibility. It can be produced according to customer's specified ambient temperature. Please contact with ESiTAS for feasibility.
Technical Data
Types: ATB 1O-1OTypes: ATB 1O-1OATB 1O-15ATB 1O-15
- ATB 1O-1O up to 1 core- ATB 1O-1O up to 1 core*- ATB 1O-15 up to 2 cores.- ATB 1O-15 up to 2 cores.*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV .. . . . . . . . . . . . . 12kV NARROW BLOCK TYPES)(Um=3,6kV .. . . . . . . . . . . . . 12kV NARROW BLOCK TYPES)
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1515
INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGS TECHNICAL DRAWING(Um=3,6kV .. . . . . . . . . . . . . 12kV NARROW BLOCK TYPES)(Um=3,6kV .. . . . . . . . . . . . . 12kV NARROW BLOCK TYPES)
TYPES
ATB 1O-1OATB 1O-1O
ATB 1O-15ATB 1O-15
A B C D E F G
33O 155 22O 148 125 27O 2O
33O 155 22O 148 125 27O 2O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
www.esitas.com
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
16
Technical DataTechnical Data
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=17,5kV .. . . . . . . . . . . . . 24kV BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV BLOCK TYPES)
- Up to 3 cores.- Up to 3 cores.*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
17.5 2417.5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
5 - 25OO5 - 25OO
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
3O3O 42 44 44 55 7O
ATB 2O-BATB 2O-B ATB 2O-B2ATB 2O-B2 ATB 2O-B4ATB 2O-B4 ATB 2O-3ATB 2O-3 ATB 2O-3BATB 2O-3B ATB 2O-3KATB 2O-3K
(On request 3OOOA 1.Oxln (On request 3OOOA 1.Oxln / Cont. & Cont. &Insulation class B )Insulation class B )
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INDOOR SUPPORT TYPE CAST RESIN INSULATED INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=17,5kV .. . . . . . . . . . . . . 24kV BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV BLOCK TYPES)
17
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
455 197 28O 218 39O 195 19O 375 22
TYPES
ATB 2O-B
ATB 2O-B2
ATB 2O-B4
ATB 2O-3
ATB 2O-3BATB 2O-3B
ATB 2O-3KATB 2O-3K
A B C D E F G H I
355 155 28O 178 29O 145 15O 28O 2O
355 155 28O 2O5 29O 145 18O 28O 17
355 155 28O 218 29O 145 19O 28O 17
455 197 28O 178 39O 195 15O 375 22
455 197 28O 2O5 39O 195 18O 375 22
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
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Technical Data
Types: ATB 2O-3ATypes: ATB 2O-3A ATB 2O-3B ATB 2O-3B
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=17,5kV .. . . . . . . . . . . . . 24kV NEW BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV NEW BLOCK TYPES)
- Up to 3 cores.- Up to 3 cores.*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
17.5 2417.5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
5 - 25OO5 - 25OO
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
44 44 5555
ATB 2O-3BATB 2O-3B ATB 2O-3A ATB 2O-3A
(On request 3OOOA 1.Oxln (On request 3OOOA 1.Oxln / Cont. & Cont. &Insulation class B )Insulation class B )
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=17,5kV .. . . . . . . . . . . . . 24kV NEW BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV NEW BLOCK TYPES)
19
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TYPESTYPES
ATB 2O-3AATB 2O-3A
ATB 2O-3BATB 2O-3B
A B C D E F G H
455 28O 178 39O 14O 15O 375
455 28O 2O5 39O 14O 18O 375 2O
2O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
20
Technical Data
Types: ATB 2O-1OTypes: ATB 2O-1O ATB 2O-15
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=17,5kV .. . . . . . . . . . . . . 24kV NARROW BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV NARROW BLOCK TYPES)
- ATB 2O-1O up to 1 core- ATB 2O-1O up to 1 core*- ATB 2O-15 up to 2 cores.- ATB 2O-15 up to 2 cores.*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
17.5 2417.5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
5 up to 125O5 up to 125O
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
(max. 3OO x In)(max. 3OO x In)****
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O******
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
22 22 3O
ATB 2O-15ATB 2O-15 ATB 2O-1O ATB 2O-1O
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** May vary according to requested primary current and core values. May vary according to requested primary current and core values.
*** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=17,5kV .. . . . . . . . . . . . . 24kV NARROW BLOCK TYPES)(Um=17,5kV .. . . . . . . . . . . . . 24kV NARROW BLOCK TYPES)
21
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TYPES
ATB 2O-1O
ATB 2O-15
A B C D E F G
335 155 28O 178 15O 28O 2O
335 155 28O 178 15O 28O 2O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
22
Technical DataTechnical Data
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=36kV BLOCK TYPES)(Um=36kV BLOCK TYPES)
- Up to 3 cores.- Up to 3 cores.*- On request with capacitive layer.- On request with capacitive layer.- On request with barrier.- On request with barrier.
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
36
7O
17O17O
5O-6O
5 - 25OO5 - 25OO
2 x 5 - 2 x 6OO2 x 5 - 2 x 6OO
1-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO
According to the customer requirementsAccording to the customer requirements
ATB 3O-SATB 3O-S ATB 3O-S1ATB 3O-S1 ATB 3O-1ATB 3O-1 ATB 3O-2ATB 3O-2 ATB 3O-3ATB 3O-3
(On request 3OOOA 1.Oxln (On request 3OOOA 1.Oxln / Cont. & Cont. &Insulation class B )Insulation class B )
35 3737 4O 46 51
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=36kV BLOCK TYPES)(Um=36kV BLOCK TYPES)
23
- All dimensions are in mm. All dimensions are in mm. - Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M12 (Primary Terminal)M12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
TYPES
ATB 3O-S
ATB 3O-S1
ATB 3O-1
A B C D E F G H I J
385 17O 36O 255 25O 125 21O 225
385 17O 36O 255 27O 135 22O 225
385 17O 36O 255 27O 135 22O 225
3OO
3OO
3OO
2O
2O
2O
ATB 3O-2 385 17O 36O 255 31O 155 24O 225 3OO 2O
ATB 3O-3 455 21O 36O 255 389 195 249 225 375 2O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
24
Technical Data
INDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=36kV NARROW BLOCK TYPES)(Um=36kV NARROW BLOCK TYPES)
- ATB 3O-4- ATB 3O-4, 3O-5 3O-5, 3O-1O up to 1 core. 3O-1O up to 1 core.*- ATB 3O-15 up to 2 cores.- ATB 3O-15 up to 2 cores.**- On request with capacitive layer.- On request with capacitive layer.- ATB 3O-1O & ATB 3O-15 with barrier on request.- ATB 3O-1O & ATB 3O-15 with barrier on request.
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** May vary according to requested primary current and core values. May vary according to requested primary current and core values.
*** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
5 - up to 6OO5 - up to 6OO
2x5 - 2x3OO2x5 - 2x3OO
5 - up to 125O5 - up to 125O
2x5 - 2x6OO2x5 - 2x6OO
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
3636
7O7O
17O
5O-6O5O-6O
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
2,5 x lth2,5 x lth
5OOO5OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O******
1OOO
According to the customer requirementsAccording to the customer requirements
2O 2222 2525 3535
ATB 3O-4ATB 3O-4 ATB 3O-5 ATB 3O-1OATB 3O-1O ATB 3O-15ATB 3O-15
max. 3OOxInmax. 3OOxIn**(for 1 (for 1
measurement measurement core)core)
max. 4OOxInmax. 4OOxIn**(for 1 (for 1
measurement measurement core)core)
max. 8OOxInmax. 8OOxIn**(for 1 (for 1
measurement measurement core)core)
max. 3OOxInmax. 3OOxIn**(for 2 cores)(for 2 cores)
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGINDOOR SUPPORT TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWING(Um=36kV NARROW BLOCK TYPES)(Um=36kV NARROW BLOCK TYPES)
25
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
M8 (Ground Terminal)M8 (Ground Terminal)
M 12 (Primary Terminal)M 12 (Primary Terminal)
min.
2.5
max.
3.5
15 2O
6O 7O
TYPES
ATB 3O-4
ATB 3O-5
ATB 3O-1O
ATB 3O-15
A B C D E F G H I J
385 17O 36O 255 2OO 1OO 18O 225
385 17O 36O 255 25O 125 21O 225
385 17O 36O 255 25O 125 21O 225
385 17O 36O 255 25O 125 21O 225
3OO
3OO
3OO
3OO
2O
2O
2O
2O
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
26
Technical Data
Types: ATU 24
INDOOR SUPPORT TYPE CAST RESIN INSULATED NARROW TYPE CURRENT TRANSFORMERSINDOOR SUPPORT TYPE CAST RESIN INSULATED NARROW TYPE CURRENT TRANSFORMERS(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)
- Up to 2 cores.- Up to 2 cores.
* May vary according to requested primary current and core values. May vary according to requested primary current and core values.** It can be produced according to customers specified ambient temperature. Please contact with ESITAS for feasibility. It can be produced according to customers specified ambient temperature. Please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP Acc. to IEC 6OO44-15P- 1OP Acc. to IEC 6OO44-1
1OO x In1OO x In*
2,5 x lth2,5 x lth
5OOO
E
-25.. . . . . . . . . . .+4O-25.. . . . . . . . . . .+4O****
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
24
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
7,2 12 17,5 247,2 12 17,5 24
2O 28 38 5O2O 28 38 5O
6O 75 95 1256O 75 95 125
5O-6O5O-6O
1O - up to 8OO1O - up to 8OO
2x1O - 2x4OO2x1O - 2x4OO
ATU 24 ATU 24
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED NARROW TYPE C.T.SINDOOR SUPPORT TYPE CAST RESIN INSULATED NARROW TYPE C.T.STECHNICAL DRAWINGTECHNICAL DRAWING
(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)
27
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
www.esitas.com
-
CURRENT TRANSFORMERSCURRENT TRANSFORMERS
28
Technical Data
Types: ES24 C3-B
INDOOR SUPPORT TYPE CAST RESIN INSULATED SPECIAL TYPEINDOOR SUPPORT TYPE CAST RESIN INSULATED SPECIAL TYPECURRENT TRANSFORMERSCURRENT TRANSFORMERS
(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)
- Up to 2 cores.- Up to 2 cores.
* May vary according to requested primary current and core values. May vary according to requested primary current and core values.** It can be produced according to customers specified ambient temperature. Please contact with ESITAS for feasibility. It can be produced according to customers specified ambient temperature. Please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature Ambient temperature (C)(C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P-1OP-PX Acc. to IEC 6OO44-15P-1OP-PX Acc. to IEC 6OO44-1
Up to 6OkAUp to 6OkA*
2,5 x lth2,5 x lth
5OOO5OOO
E
-25.. . . . . . . . . . .+4O-25.. . . . . . . . . . .+4O**
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
2525
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
7,2 12 17,5 247,2 12 17,5 24
2O 28 38 5O2O 28 38 5O
6O 75 95 1256O 75 95 125
5O-6O5O-6O
1O - up to 8OO1O - up to 8OO
2x1O - 2x4OO2x1O - 2x4OO
ES24 C3-B ES24 C3-B
PES)
-
INDOOR SUPPORT TYPE CAST RESIN INSULATED SPECIAL TYPE C.T.SINDOOR SUPPORT TYPE CAST RESIN INSULATED SPECIAL TYPE C.T.STECHNICAL DRAWINGTECHNICAL DRAWING
(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)(Um=7,2kV .. . . . . . . . . 24kV BLOCK TYPES)
29
- All dimensions are in mm.All dimensions are in mm.- Tolerances are according to DIN 7168-g when not specified.Tolerances are according to DIN 7168-g when not specified.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
www.esitas.com
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
30
Technical Data
INDOOR POST BUSBAR TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR POST BUSBAR TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)
- Up to 2 cores.- Up to 2 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOmax. 1OO
Practically UnlimitedPractically Unlimited
3OOO3OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO1OOO
According to the customer requirementsAccording to the customer requirements
19 34
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
3,6 7,2 123,6 7,2 12
1O 2O 281O 2O 28
4O 6O 754O 6O 75
17,5 2417,5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
8OO-3OOO8OO-3OOO 8OO-4OOO8OO-4OOO
ATD 1O ATD 1O ATD 2O ATD 2O
-
INDOOR INDOOR POST BUSBARPOST BUSBAR TYPE CAST RESIN INSULATED TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=3,6kV .. . . . . . . . . . . . .24kV)(Um=3,6kV .. . . . . . . . . . . . .24kV)
31
- All dimensions are in mm. All dimensions are in mm. - Tolerance is DIN 7168-g .Tolerance is DIN 7168-g .- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm)
M5 (Secondary Terminal)M5 (Secondary Terminal)
min.
2.5
max.
3.5
TYPES
ATD 1O
ATD 2O
A B C D E F G H I
28O 1O2 342 214 215 235 158 155
28O 1O2 427 26O 26O 295 158 155
23
23
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
32
Technical DataTechnical Data
INDOOR POST BUSBAR TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSINDOOR POST BUSBAR TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV.. . . . . . . . . . .24kV)(Um=3,6kV.. . . . . . . . . . .24kV)
- Up to 3 cores.- Up to 3 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.** It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility. It can be produced according to customer's specified ambient temperature.Please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Ambient temperature (C)Ambient temperature (C)
Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOmax. 1OO
Practically UnlimitedPractically Unlimited
3OOO3OOO
E
-25 .. . . . . . . . . . +4O-25 .. . . . . . . . . . +4O**
1OOO
According to the customer requirementsAccording to the customer requirements
35 4O4O 3838
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
3,6 7,2 12 17,53,6 7,2 12 17,5
1O 2O 28 381O 2O 28 38
4O 6O 75 954O 6O 75 95
17,5 2417,5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
8OO-4OOO8OO-4OOO
ATN 17 ATN 17 ATN 24 ATN 24ESO 17CESO 17C
-
3333
- All dimensions are in mm.All dimensions are in mm.- Tolerance is DIN 7168-g.Tolerance is DIN 7168-g.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
M5 (Secondary Terminal)M5 (Secondary Terminal) 2,5 3,5
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm) min. max.
INDOOR POST BUSBAR TYPE CAST RESIN INSULATED INDOOR POST BUSBAR TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=3,6kV.. . . . . . . . . . .24kV)(Um=3,6kV.. . . . . . . . . . .24kV)
ATN 17 (width 15Omm )ATN 17 (width 15Omm ) ATN 17 ATN 17 (width 28Omm )(width 28Omm )
ATN 24ATN 24 ESO 17CESO 17C
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
34
Technical Data
OUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSOUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)
- ATH 2O up to 1 core.- ATH 2O up to 1 core.*- ATH 21 up to 2 cores.- ATH 21 up to 2 cores.*- ATH 22 up to 3 cores.- ATH 22 up to 3 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation class
Min. creepage distance (mm)Min. creepage distance (mm)
Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
24OO24OO
E
56O56O 825 77O77O
According to the customer requirementsAccording to the customer requirements
According to the customer requirementsAccording to the customer requirements
24 35 7878
TYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
3,6 7,2 123,6 7,2 12
1O 2O 281O 2O 28
4O 6O 754O 6O 75
17,5 2417,5 24
38 5O38 5O
95 12595 125
5O-6O5O-6O
5-125O5-125O 5-25OO
2x5 - 2x4OO2x5 - 2x4OO 2x5 - 2x6OO2x5 - 2x6OO
ATH 2O ATH 2O ATH 21 ATH 22 ATH 22
For the connectionFor the connectionof aluminium conductorsof aluminium conductors
steel reinforcedsteel reinforced
-
OUTDOOR DRY TYPE CAST RESIN INSULATED OUTDOOR DRY TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)(Um=3,6kV .. . . . . . . . . . . . . . . . . . .24kV)
35- All dimensions are in mm.All dimensions are in mm.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TYPES
ATH 2O
A B C D E F G H
245 1O5 max.35Omax.37O
max.38O
max. 225max. 34O
max. 415
22O 178 175 2O
ATH 21 35O 165 3OO 27O 2OO 65
ATH 22 4OO 195 37O 34O 25O 7O
M6 (Secondary Terminal)M6 (Secondary Terminal) 3 5
M12 (Primary & Ground Terminal)M12 (Primary & Ground Terminal) 6O 7O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm) min. max.
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
36
Technical Data
Types: ATH 3O ATH 32
OUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSOUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=36kV)(Um=36kV)
- ATH 3O up to 2 cores.- ATH 3O up to 2 cores.*- ATH 32 up to 3 cores.- ATH 32 up to 3 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Min. creepage distance (mm)Min. creepage distance (mm)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
25OO25OO
E
114O114O
According to the customer requirementsAccording to the customer requirements
According to the customer requirementsAccording to the customer requirements
4747 85
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
36
7O7O
17O17O
5O-6O5O-6O
5-25OO5-25OO
2x5 - 2x6OO2x5 - 2x6OO
ATH 3O ATH 3O ATH 32 ATH 32
For the connectionFor the connectionof aluminium conductorsof aluminium conductors
steel reinforcedsteel reinforced
-
OUTDOOR DRY TYPE CAST RESIN INSULATED OUTDOOR DRY TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=36kV)(Um=36kV)
37- All dimensions are in mm.All dimensions are in mm.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TYPES
ATH 3O
A B C D E F G H
35O 165 max.465max.477
max. 34Omax. 4O3
3OO 27O 2OO 65
ATH 32 39O 19O 35O 32O 25O 65
M6 (Secondary Terminal)M6 (Secondary Terminal) 3 5
M12 (Primary & Ground Terminal)M12 (Primary & Ground Terminal) 6O 7O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm) min. max.
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
38
Technical Data
Types: ATH 3O-NTypes: ATH 3O-N ATH 32-N
OUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSOUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=36kV)(Um=36kV)
- ATH 3O-N up to 2 cores.- ATH 3O-N up to 2 cores.*- ATH 32-N up to 3 cores.- ATH 32-N up to 3 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Min. creepage distance (mm)Min. creepage distance (mm)
Altitude (m)Altitude (m)
StandardStandard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
25OO25OO
E
114O114O
According to the customer requirementsAccording to the customer requirements
According to the customer requirementsAccording to the customer requirements
4747 8585
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
36
7O
17O17O
5O-6O5O-6O
5-25OO5-25OO
2x5 - 2x6OO2x5 - 2x6OO
ATH 3O-N ATH 3O-N ATH 32-N ATH 32-N
For the connectionFor the connectionof aluminium conductorsof aluminium conductors
steel reinforcedsteel reinforced
-
OUTDOOR DRY TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGOUTDOOR DRY TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWING(Um=36kV)(Um=36kV)
39- All dimensions are in mm.All dimensions are in mm.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
TYPES
ATH 3O-N
A B C D E F G H
35O 165 max.465max.474
max. 34Omax. 4OO
3OO 27O 2OO 65
ATH 32-N 39O 173 35O 32O 25O 65
M6 (Secondary Terminal)M6 (Secondary Terminal) 3 5
M12 (Primary M12 (Primary TerminalTerminal) 6O 7O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm) min. max.
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CURRENT TRANSFORMERSCURRENT TRANSFORMERS
40
Technical Data
Types: ATH 52
OUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERSOUTDOOR DRY TYPE CAST RESIN INSULATED CURRENT TRANSFORMERS(Um=52kV)(Um=52kV)
- Up to 2 cores.- Up to 2 cores.*
* For more cores please contact with ESITAS for feasibility. For more cores please contact with ESITAS for feasibility.
Secondary rated current (A)Secondary rated current (A)
Primary reconnection (A)Primary reconnection (A)
Metering classesMetering classes
Protection classesProtection classes
Rated short-time thermal current (lth) (1s) (kA)Rated short-time thermal current (lth) (1s) (kA)
Rated dynamic current (ldyn) (kA)Rated dynamic current (ldyn) (kA)
Short-time load (mechanical) (N)Short-time load (mechanical) (N)
Insulation classInsulation class
Min. creepage distance (mm)Min. creepage distance (mm)
Altitude (m)Altitude (m)
Standard
Weight (approx.) (kg)Weight (approx.) (kg)
1-51-5
O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1O,2 - O,2S - O,5 - O,5S - 1 - 3 - 5 Acc. to IEC 6OO44-1
5P- 1OP; CI:PX Acc. to IEC 6OO44-15P- 1OP; CI:PX Acc. to IEC 6OO44-1
max. 1OOO x Inmax. 1OOO x In
2,5 x lth2,5 x lth
25OO
E
16OO16OO
According to the customer requirementsAccording to the customer requirements
According to the customer requirementsAccording to the customer requirements
14O14O
TYPESTYPES
Operating voltage, Um (kV)Operating voltage, Um (kV)
Rated power-frequency withstand voltage (1 minute) (kV)Rated power-frequency withstand voltage (1 minute) (kV)
Rated frequency (Hz)Rated frequency (Hz)
Primary rated current (A)Primary rated current (A)
5252
95
25O25O
5O-6O5O-6O
5-25OO5-25OO
2x5 - 2x6OO2x5 - 2x6OO
ATH 52 ATH 52
For the connectionFor the connectionof aluminium conductorsof aluminium conductors
steel reinforcedsteel reinforced
-
OUTDOOR DRY TYPE CAST RESIN INSULATED OUTDOOR DRY TYPE CAST RESIN INSULATED C.T.S TECHNICAL DRAWINGC.T.S TECHNICAL DRAWING(Um=52kV )(Um=52kV )
41- All dimensions are in mm.All dimensions are in mm.- Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information. Esitas reserves the right to change the specifications and the dimensions of the goods. Please ask for updated information.- Customer designed products are also available.Customer designed products are also available.
M6 (Secondary Terminal)M6 (Secondary Terminal) 3 5
M12 (Primary & Ground Terminal)M12 (Primary & Ground Terminal) 6O 7O
TIGHTENING TORQUE (Nm)TIGHTENING TORQUE (Nm) min. max.
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