The ESR4-NO-21 is a safety relay manufactured by Eaton/Moeller, rated for 24V AC/DC operation and configured with dual-channel architecture. It monitors emergency stop and safety door circuits in industrial machinery and control systems. The device includes four non-delayed enabling contacts and one signal contact. Compliance is confirmed to IEC/EN 60204-1 for stop category 0 and category 1 protection paths.
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.
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