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ESR4-NM-21 Eaton Safety Relay

ESR4-NM-21 Eaton Safety Relay

Manufacturer:

Description :Safety relay, dual-channel, 24V DC, for contact monitoring, 2 enabling paths + 1 signal contact, IEC/EN 60204 Stop Category 0/1 compliant

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Categories:ESR4-NM-21, safety relay, ESR4 series, Eaton Moeller, dual-channel safety relay, 24V DC safety relay, IEC 60204 Stop Category 0, IEC 60204 Stop Category 1, contact monitoring relay, two enabling paths, signal contact relay, DIN rail safety relay

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  • Specification
  • Datasheet download

The ESR4-NM-21 is a dual-channel safety relay rated for 24 V DC operation, intended for contact monitoring in safety circuits. It provides two enabling paths and one signal contact, with four non-delayed enabling contacts. Compliance is confirmed to IEC/EN 60204 Stop Category 0 and Stop Category 1. The device mounts on DIN rail and is engineered for industrial environments requiring reliable verification of external contactor or relay status within safety-related control systems. All functional behavior aligns with the specified safety standards for stop functionality and contact monitoring.

Electrical rating
Voltage Rating24V DC
Physical details
TypeSafety relay
General information
StandardsIEC/EN 60204 Stop Category 0/1 compliant
Applicationfor contact monitoring

DC fuse, EV fuse, high speed fuse, current limiting fuse cross reference.

Bussmann, Littelfuse, Mersen, ABB, Schneider, Eaton, HPS( Hammond Power Solutions), Amphenol, Molex distributor.


TAG:   ESR4-NM-21 safety relay ESR4 series Eaton Moeller dual-channel safety relay 24V DC safety relay IEC 60204 Stop Category 0 IEC 60204 Stop Category 1 contact monitoring relay two enabling paths signal contact relay DIN rail safety relay

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