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MU350
Technical Data
SETTING RANGESUndervoltage : Off, 1% to 25%Time delay for undervoltage : 0.1s to 30sOvervoltage : Off, 1% to 20%Time delay for overvoltage : 0.1s to 30sStart time delay : 0s to 999sUnbalance : Off, 3% to 20%Time delay for unbalance : 0.5s to 30sPhase loss : Fixed time <0.5sPhase sequence : Fixed time <0.5s
AUXILIARY SUPPLYMU350-415V:380V(-25%)to415V(+20%)ACSupply frequency : 45 Hz to 65 HzMaximum power consumption: 3VA
MEASURING INPUTLinetoline:100to415(+20%)VACLinetoNeutral:58to240(+20%)VAC
OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at
rated currentExpected mechanical life : 5 x 106 operations
INDICATORSAuxiliarysupply :GreenindicatorPickupindicator :RedindicatorTrip :7-segmentdisplayand
red LED indicators
ACCURACYProtection thresholds : ± 3%Time delay : 0 to 0.5s, ± 15% with
minimum 40ms : 0.6s and above, < ± 3%Measurements : ± 3%
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICALMounting : Panel mountingDimension (mm) : 96(w) x 96(h) x 90(d)Approximateweight :0.31kg
Product Description
MU350is3-phasevoltagerelaythatcombinesvarious protections and starting delay.
Features• Undervoltage
• Overvoltage
• Delay-on
• 2voltage-freeoutputcontacts
• Voltageandfrequencydisplay
• 3-Phase
• Unbalance
• Phaseloss
• Phasesequence
• Withorwithoutneutralconnection
• Phasetophaseorphasetoneutralmonitoring
• Programmablerelayoutputs
• ANSICode:27,47,59,60
Voltage RelayM
U 350
Ordering Information
MU350-415V3-Phase,auxiliaryvoltage380~415VAC,45-65HzMODEL DESCRIPTION
Voltage Relay
Typical Application Diagrams
MU 350
L1 N
R2R1
L-L 100-415V AC, L-N 58-240V AC
L2 L3
L1L2L3N
AUX
380-415V AC
(OPTIONAL)
NC NO COM NC NO COM
Case Dimensions96 mm
91.0 ± 0.5 mm
91.0
± 0
.5 m
m
Front
Panel Cutout
96 m
m
90 mm70 mm
Side
MU250MU150
Technical Data
SETTING RANGESUndervoltage : 1% to 25%Time delay for undervoltage : 0.1s to 30sOvervoltage : 1% to 20%Time delay for overvoltage : 0.1s to 30sStart time delay : 0s to 999s
For MU250 only:Unbalance : 3% to 20%Time delay for unbalance : 0.1s to 30sPhase loss : Fixed time <0.1sPhase sequence : Fixed time <0.1s
POWER SUPPLY INPUTInput voltage:MU150-110V&MU250-110V : 100V(-25%)to120V(+20%)ACMU150-240V&MU250-220V : 220V(-25%)to240V(+20%)ACMU250-415V : 380V(-25%)to415V(+20%)Supply frequency : 45 Hz to 65 Hz
Maximum power consumption:MU250 : 3VAMU150 : 2.5VA
OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at
rated currentExpected mechanical life : 5 x 106 operations
INDICATORSAuxiliarysupply :GreenindicatorPickupindicator :RedindicatorTrip :7-segmentdisplayandred
LED indicators
ACCURACYProtection thresholds : ± 3%Time delay : 0 to 0.5s, ± 15% with
minimum 40ms : 0.6s and above, < ± 3%Measurements : ± 3%
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICALMounting : DIN railDimension (mm) : 71(w) x 85(h) x 70(d)Approximateweight :0.4kg
Product Description
MU150 and MU250 are voltage relays that combine various protections and starting delay.
MU150isusedforsingle-phasemonitoringwhileMU250isusedfor3-phasemonitoring.
Features• Microprocessorbasednumericalrelay• Undervoltage• Overvoltage• Delay-on• 2voltage-freeoutputcontacts• Voltageandfrequencydisplay• ANSICode:27,47,59,60
Features For MU 250 only• 3-Phase• Unbalance• Phaseloss• Phasesequence• Withorwithoutneutralconnection• Phasetophaseorphasetoneutralmonitoring
MU 250
MU 150
Voltage RelayM
U 250 / 150
Ordering Information Case Dimensions
MU150-110V Single-Phase,220/230/240VAC, 45-65Hzpowersupply
MU150-240V Single-Phase,220/230/240VAC, 45-65Hzpowersupply
MU250-110V 3-phase,100/110/120VAC 45-65Hzpowersupply
MU250-220V 3-phase,220/230/240VAC 45-65Hzpowersupply
MU250-415V 3-Phase,380/400/415VAC, 45-65Hzpowersupply
MODEL DESCRIPTION
Front
Side
71 mm
20 mm
45 mm
20 mm
70 mm
85 mm
30 mm 20 mm 20 mm
Voltage Relay
R2R1
62 3 4 5 71
8 9
COM NO NC COM NO NC
10 11 12 13 14
(OPTIONAL)
L1L2L3N
MU250
(Neutral connection is optional)
Typical Application Diagrams
R2R1
62 3 4 5 71
8 9
COM NO NC COM NO NC
10 11 12 13 14
LN
MU150
MU250 MU150
MU 250 / 150
MU2300 Features• Multifunction numerical voltage protection relay
• Low-setundervoltagestage(U<)withdefinite-timeorinverse-timecharacteristic
• High-setundervoltagestage(U<<)withdefinite-time
• Low-setovervoltagestage(U>)withdefinite-timeorinverse-timecharacteristic
• High-setovervoltagestage(U>>)withdefinite-time
• Negative sequence overvoltage protection (U2>) withdefinite-timeorinverse-timecharacteristic
• Neutral displacement / residual overvoltage protection (U0>)withdefinite-timeorinverse-timecharacteristic
• Canbeusedinsingle-phaseorthree-phaseoperation
• Multi-functionisolateddigitalinputwithwideinput voltage range
• Fault record and event code recording
• Fiveprogrammablevoltage-freeoutputcontacts
• IsolatedRS485Modbus-RTUcommunication
• ANSICode:27,47,59,60
Voltage RelayM
U 2300
Introduction
The MU2300 is a microprocessor based numerical relay for voltage protection functions in electrical distributionnetwork.
Technical Data
INPUTS Measuring input: Rated voltage input : 57 ~ 130 VRated frequency : 50 / 60 Hz
Rated auxiliary voltage:ModelMU2300-150D :24~150VDCModelMU2300-240AD :85~265VAC
110 ~ 340 V DC
Power consumption:AC auxiliary voltage : 6 ~ 10 VA typicalDC auxiliary voltage : 5 ~ 9 W typical
Binary Input:External binary input : 85 ~ 265 V AC/DC
COMMUNICATIONRS485Modbus-RTU
OUTPUT CONTACTS5 programmable contacts +1 IRF contact:Rated voltage : 250 V AC / DCContinuous carry : 5 AMakeandcarryfor0.2s :30AExpected electrical life : 100,000 operations
at rated currentExpected mechanical life : 5 x 106 operations
UNDER-VOLTAGE ELEMENTLowsetsettingU< :5-130VHighsetsettingU<< :5-130VTimemultiplier,TMS :0.5-100LowsetDefinitetimetU< :0-600sHighsetDefinitetimetU<<:0-600s
OVER-VOLTAGE ELEMENTLowsetsettingU> :5-200VHighsetsettingU>> :5-260VTimemultiplier,TMS :0.5-100LowsetdefinitetimetU> :0-600sHighsetdefinitetimetU>>:0-600s
NEGATIVE SEQUENCE OVER-VOLTAGE ELEMENTNegativesequenceover-voltagesetting,U2>
:5-200VTimemultiplier,TMS :0.5-100Negativesequenceover-voltagedefinitetimetU2>
:0-600s
RESIDUAL OVER-VOLTAGE ELEMENTResidualover-voltagesetting,U0>:0.5-130VTimemultiplier,TMS :0.5-100Residualover-voltagedefinitetimetU0>:0-600s
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICAL Mounting : Panel mountingDimension (mm) : 142(w) x 165(h) x 198(d)Enclosure protection : IP54 at the panelApproximateweight : 2.7kg
Voltage Relay
11
1010
100100
00 0.10.1 0.20.2 0.30.3 0.40.4 0.50.5 0.60.6 0.70.7 0.80.8 0.90.9 11TMS=1
TMS=5
TMS=3
TMS=10
TMS=8
Applied voltage/relay setting voltageApplied voltage/relay setting voltage
Ope
rati
ng ti
me
(sec
)O
pera
ting
tim
e (s
ec)
Undervoltage Characteristic
0.01
0.1
1
10
100
0 2 4 6 8 10 12 14 16 18 20
TMS=1
TMS=8TMS=10
TMS=5TMS=3
Applied voltage/relay setting voltageApplied voltage/relay setting voltage
Ope
rati
ng ti
me
(sec
)O
pera
ting
tim
e (s
ec)
Overvoltage Characteristic
142 mm
165
mm
Front
129 1 mm
139
1 m
m
Panel Cutout
198 mm
34 mm
136
mm
Side
Typical Application Diagrams
3
2
6
5
9
8
12
11
31
3233
13
14
343635
3837
4039
4241
2726
283029
25
24
22
23
ExternalDigital
Input
Uaux
R1
R2
R3
R4
R5
ABC
Trip Contact
A
BCPhase rotation
InternalRelayFailure
Termination ResistorN-
P+CommunicationCable Shield
3
2
6
5
9
8
12
11
31
3233
13
14
343635
3837
4039
4241
2726
283029
25
24
22
23
ExternalDigital
Input
Uaux
R1
R2
R3
R4
R5
ABC
Trip Contact
A
BCPhase rotation
InternalRelayFailure
Termination ResistorN-
P+CommunicationCable Shield
3
2
6
5
9
8
12
11
31
3233
13
14
343635
3837
4039
4241
2726
283029
25
24
22
23
ExternalDigital
Input
Uaux
R1
R2
R3
R4
R5
ABC
Trip Contact
A
BCPhase rotation
InternalRelayFailure
Termination ResistorN-
P+CommunicationCable Shield
3
2
6
5
9
8
12
11
31
3233
13
14
343635
3837
4039
4241
2726
283029
25
24
22
23
ExternalDigital
Input
Uaux
R1
R2
R3
R4
R5
ABC
Trip Contact
A
BCPhase rotation
InternalRelayFailure
Termination ResistorN-
P+CommunicationCable Shield
3Vp-p+Vresidual connection 2Vp-p+Vresidual connection
3Vp-n+Vresidual connection 3Vp-n connection
Ordering Information
MU2300-150D For50/60Hzsystem,auxiliaryvoltage 24 ~ 150 V DC
MU2300-240AD For50/60Hzsystem,auxiliaryvoltage 85 ~ 265 V AC or 110~340 V DC
MODEL DESCRIPTION
Case Dimensions
MU 2300
MX210
Technical Data
POWER SUPPLY INPUT3-Phase SystemPhase-to-phasevoltage :380V(-25%)to415V
(+20%)AC
Single Phase Phase-to-neutralvoltage : 220V(-25%)to240V
(+20%)ACFrequency range : 45 to 65 HzMax. power consumption : 3 VA maximum
OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at
rated currentExpected mechanical life : 5 x 106 operations
SETTING RANGESUndervoltage : 78%-98%Overvoltage : 102%-122%Delaytime :0.1-10sNormal voltage : 380, 400, 415 Vpp, 220,
230, 240, Vpn3-phase/Single-phase
ACCURACY Protection thresholds : ± 3%Hysteresis : 1%Delaytime : 0-0.5s,±15%,
40ms minimum : 0.5s and above, ± 3%Measurements : ± 3%
INDICATORSPowersupplyON :GreenindicatorOutputON :GreenindicatorUndervoltage : Red indicatorOvervoltage : Red indicatorPhase error : Red indicator
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICALMounting : DIN railDimension (mm) : 71(w) x 85(h) x 70(d)Approximateweight : 0.3kg
Features• Numericalvoltageprotectionrelay
• Undervoltage
• Overvoltage
• Phaseloss
• Phasesequence
• 3-Phase/Single-phase
• ANSICode:27,47,59
Product Description
MX210 is voltage relay that combinesovervoltage, undervoltage, phase loss,phase sequence and delay start functions.
MX210 can be programmed by user tosetnominalvoltageaswellassetinto3-phaseorSingle-phasemode.
3 - Phase Voltage RelayM
X 210
3 - Phase Voltage Relay
Case Dimensions Ordering Information
Wiring Diagram
Operations Diagram
Single-Phase System
i ) Over Voltage Function
3-Phase System
ii ) Under Voltage Function
T
Over Voltage LimitHysteresis
RelayON
RYB
>U LED ON
T
Under Voltage Limit
Hysteresis
RelayON
<U LED ON
RYB
MX 210
1 2 3 4 5 6
8 9 10 11 12 13
7
14
R1
L
N
L1
L2
L3
N
1 2 3 4 5 6
8 9 10 11 12 13
7
14
R1
MX210-415V 3-Phase380-415VAC Single-Phase220-240VAC 45-65Hz
MODEL DESCRIPTION
Front Side
71 mm
20 mm
45 mm
20 mm
70 mm
85 mm
30 mm 20 mm 20 mm
MX200AMK180AMK160AMX 200A
Under & Over Voltage Relay
MX 180AOver Voltage Relay
MX 160AUnder Voltage Relay
Technical Data
POWER SUPPLY INPUT3-Phase SystemPhase-to-phasevoltage :380VAC±20%
400 V AC ± 20% 415 V AC ± 20%
Single Phase Phase-to-neutralvoltage : 220VAC±20%
230 V AC ± 20% 240 V AC ± 20%
Frequency range : 45 to 65 HzMax. power consumption : 3 VA
Input ConnectionsFor3-phasemodel : PhaseL1,L2,L3to
pin 5, 6, & 7 Neutral to pin 11Forsingle-phasemodel :PhaseLtopin5,6&
7*** Neutral to pin 11
SETTING RANGESLowervoltagelimit* :78%-98%Uppervoltagelimit** :102%-122%Delaytime,T :0.1-10s
HYSTERESIS ≤1%ofrms-value
OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at
rated currentExpected mechanical life : 5 x 106 operations
INDICATORSPowersupplyON :GreenindicatorOutput ON : Red indicatorUnder voltage limit (U<) * : Red indicatorOver voltage limit (U>) ** : Red indicator
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICALMounting : Circular11-pinplug-in
socketDimension (mm) : 35(w) x 80(h) x 72.5(d)Approximateweight : 0.3kg
* Applicable to MX160A and MX200A only
** Applicable to MX180A and MX200A only
*** For single phase connection, short pin 5,6 & 7
Features• Electronicmonitoringrelay
• Voltagemonitoringforsingle 3-phasesystem
• Phasefailuremonitoring
• Adjustablevoltagelimit
• Adjustabledelaytime
• Indicatorsforvoltagefault
• IndicatorsforpowerandoutputON
• ANSICode:27,47,59
Product Description
MX160A, MX180A & MX200A are single or 3-phasemonitoring relays.The relaysare designed for application where it required to maintain the voltage within setlimits.Abuilt-inadjustabletimedelayprevents nuisance tripping.
Voltage RelayM
X 200A / 180A / 160A
Voltage Relay
Case Dimensions Ordering Information
80 mm
72.5 mm
35 mm
MX160A-380
MODELUnder
VoltageMonitoring
YES
MX160A-400 YES
MX160A-415 YES
OverVoltage
Monitoring
NO
NO
NO
SupplyVoltage
V AC
380
400
415
MX180A-380 NO YES 380
MX180A-400 NO YES 400
MX180A-415 NO YES 415
MX200A-380 YES YES 380
MX200A-400 YES YES 400
MX200A-415 YES YES 415
FUNCTION
Wiring Diagram
Operations Diagram
L3L2L1N
5 6 78
9
10111
2
3
4
LN
5 6 78
9
10111
2
3
4
Single-Phase System
i ) Over Voltage Function**
3-Phase System
ii ) Under Voltage Function*
T
Over Voltage LimitHysteresis
RelayON
RYB
>U LED ON
T
Under Voltage Limit
Hysteresis
RelayON
<U LED ON
RYB
MX 200A / 180A / 160A
MX100MK50MX 100
Phase Sequence &Phase Failure monitoring
MX 50Phase Failure monitoring
Technical Data
POWER SUPPLY INPUTPhase-to-phasevoltage : 230VAC±20% : 400 V AC ±20%Frequency range : 45 to 65 HzMax power consumption : 3 VAInput connections : Phase L1 to pin 5 Phase L2 to pin 6 Phase L3 to pin 7 Neutral (optional) to
pin 11
OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at
rated currentExpected mechanical life : 5 x 106 operations
INDICATORSPowersupplyON :GreenindicatorOutput ON : Red indicator
ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and
40˚Cnon-condensing
MECHANICALMounting : Circular11-pinplug-in
socketDimension (mm) : 35(w) x 80(h) x 72.5(d)Approximateweight : 0.3kg
Voltage RelayM
X 100 / 50
Features• Electronic monitoring relay
• Phase sequence monitoring*
• Phase failure monitoring
• Plug-intypemodule
• Indicators for power and alarm status
• ANSICode:47
Product Description
This phase sequence and phase failure relay is designed for application where the 3-phasesupplyneedstobecontinuouslymonitored for proper sequencing and phase loss. Commonly used to protect a 3-phasemotor.
Voltage RelayMODEL
MX100-230
MX100-400
MX50-230
MX50-400
DESCRIPTION
Auxiliary voltage 184~276 V AC
Auxiliary voltage 320~480 V AC
Auxiliary voltage 184~276 V AC
Auxiliary voltage 320~480 V AC
Wiring Diagram
Function Table
Example 2
L3L2L1N
5 6 78
9
10111
2
3
4
3 ~L3
Example 1
L2L1
5 6 78
9
10111
2
3
4
3 ~
Condition1
2
3
4
5
6
Pin 5L1
Loss
L1
L1
L2
L3
Pin 6L2
L2
Loss
L2
L1
L2
Pin 7L3
L3
L3
Loss
L3
L1
RelayON
OFF
OFF
OFF
OFF
OFF
RemarkSystem healthy
Phase failure
Phase failure
Phase failure
Sequence fault*
Sequence fault** Applicable to MX100 model only
Case Dimensions Ordering Information
80 mm
72.5 mm
35 mm
MX 100 / 50
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