alpha m | alpha e

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Alpha E Alpha M Technical data Alpha M Alpha E Short-circuit indicator Earth fault detection method Earth short-circuit I>> short-circuit trip current 400, 600, 800, 1,000 A tI>> response delay 100 ms, no tripping <20 ms Accuracy ±15 % Indication 3 display elements (black / red), bi-stable type, for L1, L2, L3 Remote signal / communica- tion 1 relay contact Remote contact Potential-free permanent and momentary contact (>100 ms) Contact capacity: 230 V AC / 1 A / 62.5 VA max.; 220 V DC / 1 A / 60 A max. Reset Via rotary knob By button Remote reset: 12 — 60 V AC/DC ±10 % Automatic time reset: 2 or 4 h Power supply CT powered Internal power supply Long-life lithium cell, shelf life ≥20 years Housing Polycarbonate, IP40 Temperature range −30 to +70 °C Alpha M: dimension drawing in catalogue on page 158, M4 Alpha E: dimension drawing in catalogue on page 158, M3 Adjustable trip currents Flag-type indication (black / red) Remote signal No external power supply required Product features The Alpha M / Alpha E is designed to detect, display and remotely indicate short-circuit faults in medium voltage distribution networks. The indication is tripped by a short-circuit current and re- mains active until the device is reset. Maintenance-free, no battery (Alpha M) Remote reset (Alpha E) Your advantages Equipment set Accessories 1 display unit Wall-mounted housings Alpha M Order no. 30-1815-001 External signal lamp Alpha E Order no. 30-1715-001 Disassembly clip 3 phase current transformers Spring clip Alpha M | Alpha E Short-circuit indicator Dipl.-Ing. H. Horstmann GmbH | Humboldtstraße 2 | 42579 Heiligenhaus | T +49 2056 976-0 | www.horstmanngmbh.com | [email protected]

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Page 1: Alpha M | Alpha E

Alpha E

Alpha M

Technical data Alpha M Alpha EShort-circuit indicator

Earth fault detection method Earth short-circuitI>> short-circuit trip current 400, 600, 800, 1,000 AtI>> response delay 100 ms, no tripping <20 msAccuracy ±15 %Indication 3 display elements (black / red), bi-stable type, for L1, L2, L3Remote signal / communica-tion 1 relay contact

Remote contactPotential-free permanent and momentary contact (>100 ms)Contact capacity: 230 V AC / 1 A / 62.5 VA max.;

220 V DC / 1 A / 60 A max.

Reset Via rotary knob� By button� Remote reset: 12 — 60 V AC/DC ±10 % � Automatic time reset: 2 or 4 h

Power supplyCT powered

Internal power supply — Long-life lithium cell, shelf life ≥20 yearsHousing Polycarbonate, IP40Temperature range −30 to +70 °C

Alpha M: dimension drawing in catalogue on page 158, M4 Alpha E: dimension drawing in catalogue on page 158, M3

Adjustable trip currents Flag-type indication (black / red) Remote signal No external power supply required

Product features

The Alpha M / Alpha E is designed to detect, display and remotely indicate short-circuit faults in medium voltage distribution networks.The indication is tripped by a short-circuit current and re-mains active until the device is reset.

Maintenance-free, no battery (Alpha M) Remote reset (Alpha E)

Your advantages

Equipment set Accessories1 display unit Wall-mounted housings

Alpha M Order no. 30-1815-001 External signal lampAlpha E Order no. 30-1715-001 Disassembly clip

3 phase current transformers Spring clip

Alpha M | Alpha EShort-circuit indicator

Dipl.-Ing. H. Horstmann GmbH | Humboldtstraße 2 | 42579 Heiligenhaus | T +49 2056 976-0 | www.horstmanngmbh.com | [email protected]

Page 2: Alpha M | Alpha E

For installation on bushings and pole platesfor Alpha M, Alpha E, Sigma plus

Phase current transformers

ABBType:SafeRing, RGC, SafeLink SafePlusOrder no.3 x 49-6012-009

Schneider ElectricType:RM6

Order no.3 x 49-6010-044

ABBType:SafeRing, RGC, SafePlusOrder no. set1 x 49-6012-015

Schneider ElectricType:FBA, GLA, GMA

Order no.3 x 49-6010-030

DriescherType:MINEX, G.I.S.E.L.A.

Order no.3 x 49-6012-007

Schneider ElectricType:FBX cable-type CTs for pole plateOrder no.3 x 49-6012-005

EATON / HolecType:SVS

Order no. set1 x 49-6010-032

SiemensType:8DJ, 8DH, SIMOSEC

Order no.3 x 49-6010-052

OrmazabalType:ga, gae, ge

Order no.3 x 49-6010-011

EATON / HolecType:XIRIA

Order no. set1 x 49-6010-048

SiemensType:8DJH (module transformer)

Order no.3 x 49-6010-060

Dipl.-Ing. H. Horstmann GmbH | Humboldtstraße 2 | 42579 Heiligenhaus | T +49 2056 976-0 | www.horstmanngmbh.com | [email protected]

Page 3: Alpha M | Alpha E

W x H x D125 x 75 x 75 mm

Order no.49-9001-006

W x H x D290 x 77 x 200 mmOrder no.V49-9001-007-001incl. earthing bar

W x H x D125 x 75 x 125 mmOrder no.49-9001-001 bottom cable entry49-9001-002 rear cable entry

W x H x D125 x 175 x 125 mmOrder no.V49-9001-004-001incl. earthing bar

External signal lampsfor installation outside the switchgear

3 LEDs Order no.5 m connection cable, with battery, for permanent contact 49-0702-00510 m connection cable, with battery, for permanent contact 49-0702-01015 m connection cable, with battery, for permanent contact 49-0702-015

Bicolour 3 LEDs red/green Order no.3 m connection cable, with battery 49-0706-001

Bicolour 1 LED red/green Order no.2 m connection cable, with battery, without fibre optic cable (see page 57) 49-0704-001

Wall-mounted housingsfor the installation of short-circuit and earth fault indicators as well as integrated voltage detecting systems outside the switchgear

AccessoriesFor short-circuit and earth fault indicators and integrated voltage detecting systems

Dipl.-Ing. H. Horstmann GmbH | Humboldtstraße 2 | 42579 Heiligenhaus | T +49 2056 976-0 | www.horstmanngmbh.com | [email protected]

Page 4: Alpha M | Alpha E

Order no.Fibre optic cable 3 m (standard length for short-circuit CTs) 49-0602-009Fibre optic cable 4 m (standard length for earth fault CTs) 49-0602-001Fibre optic cable 1,8 m (standard length for external signal lamp) 49-6007-206

Fibre optic cables

Order no.Cutting tool for fibre optic cables 49-0109-003

Accessories for Opto series

Order no.Transformer with cable for top-hat rail mounting (115 V — 230 V AC / 24 V — 48 V AC) 49-0921-002

Order no.Optical testing unit to excite the indicator for connection to the fibre optic cable plug 49-0109-002

Order no.Tablet for parameter setting during installation or monitoring, incl. cover, pencil, power supply and USB cable 49-6022-010

Installation systemfor Sigma D series and ComPass series

Order no.Disassembly clip 49-9090-016Disassembly clip for ComPass B 2.0 / BS 2.0 49-9090-017

Accessories for plug-in housing

Order no.Spring clip suitable for 2 mm front plate thickness (standard) 49-9090-018Spring clip suitable for 3 mm front plate thickness 49-9090-019

Order no.Temperature rangeDimensionCable lengthProtection degree

−50 to +180 °C6 x 50 mm10 m (silicone, 2 ferrules)IP65

49-9090-013

Temperature sensor PT100

Dipl.-Ing. H. Horstmann GmbH | Humboldtstraße 2 | 42579 Heiligenhaus | T +49 2056 976-0 | www.horstmanngmbh.com | [email protected]