Selecting protection and monitoring relays
The guide illustrates this model's “Monitoring PE loop and connection continuity” function with a product example.
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BENDER DISTRIBUTOR IN TÜRKİYE · ADEO TEKNİK
Bender LINETRAXX® GM420Monitoring Relay
Relay for monitoring loop resistance or protective conductor connections.
- PE conductor loop monitoring in AC systems.
- Measuring circuit with high immunity to extraneous voltages and indication of extraneous voltage.
- Adjustable start-up, response and release delays.
A CLOSER LOOK AT THE PRODUCT
Technical specifications and functions.
Relay for monitoring loop resistance or protective conductor connections. When selecting, consider nominal values, supply options and required system components together.
Bender official product source ↗- PE conductor loop monitoring in AC systems.
- Measuring circuit with high immunity to extraneous voltages and indication of extraneous voltage.
- Adjustable start-up, response and release delays.
- Numerical measured-value indication on a multifunction LC display.
FROM PRODUCT TO TECHNICAL KNOWLEDGE
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ADEO Teknik · Bender distributor in Türkiye
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MODEL, ORDER AND ACCESSORY INFORMATION
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Model options and technical values
| Model | Measurement range / Loop resistance | Measurement range / Interference voltage | Supply voltage U S | Order code* |
|---|---|---|---|---|
| GM420-D-1 | 0…100 Ω | AC 0…50 V | DC 9,6 V…94 V / / AC 16…72 V, 15…460 Hz | B73082001 / B93082001 |
| GM420-D-2 | 0…100 Ω | AC 0…50 V | DC 70…300 V / / AC 70…300 V, 15…460 Hz | B73082002 / B93082002 |
Manufacturer table notes (original language):
*(B7… = push-wire terminal / B9… = screw-type terminal)
Explore compatible accessories
Compatible accessories · 1
| Model | Order code |
|---|---|
| Mounting clip for screw mounting (one piece per device) | B98060008 |
| Mounting frame XM420 | B990994 |
Based on tables on the manufacturer's current product page. For marked-value footnotes, connection conditions and variant suitability, review Bender product source ↗ and the technical documents together. Listing an order code does not commit to stock availability or delivery time.
BENDER MANUFACTURER DOCUMENTS
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3 / 3 documents
Datasheet
GM420
GM420_D00112_D_XXEN.pdfOpen document ↗Operating manualGM420
GM420_D00112_M_XXEN.pdfOpen document ↗Conformity documentGM42x
CEKO_GM42x.pdfOpen document ↗No documents match your search. Change the search or document type.
About manufacturer sources
Data sheets and operating manuals open Bender’s official PDFs in a new tab. Documents are in English.
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Data sheets, operating manuals and related manufacturer documents. File names identify the model or accessory; documents retain their original language.
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Measuring and monitoring relays
