3RB1257-0KG31
SOLID-STATE OVERLOAD RELAY WITH INTEGRATED THERMISTOR PROTECTION, 125 TO 500 A AC 110 TO 120V 50/60HZ WITH INTERNAL EARTH-FAULT DETECTION 1NO/1NC (OVERLOAD/THERMISTOR/ EARTH-FAULT) 1NO/1NC (OVERLOAD WARNING) BISTABLE OUTPUTS
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