Siemens Spare Parts
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3RB1257-0KB40
DISCONTINUED TYPE OVERLOAD RELAY 125 TO 500 A FOR FULL MOTOR PROTECTION SZ S10/S12, CLASS 5 TO 30 FOR MOUNTING ONTO CONTACTORS/INDIVIDUAL MOUNTING MAIN CIRC.: STRAIGHT-THROUGH CONVERTER AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE-RESET WITH ANALOG OUTPUT MONOSTABLE OUTPUTS GROUND FAULT SIGNAL DC 24 V
3RB1257-0KG00
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS MONOSTABLE OUTPUTS GROUND FAULT SIGNALING AC 110…120 V, 50/60 HZ
3RB1257-0KG00-0AA0
ELEKTRON. UEBERLASTRELAIS MIT INTEGRIERTER THERMISTOR- UND ERDSCHLUSSUEBERWACHUNG 1S/1OE (UEBERLAST/THERMISTOR) 1S/1OE (ERDSCHLUSS) 125 BIS 500 A AC 110 BIS 120V 50/60HZ MONOSTABILE AUSGAENGE
3RB1257-0KG00-0FM0
SOLID-STATE OVERLOAD RELAY, W. INTEGR. THERMISTOR PROTECT. 125…500 A AC 110…120 V 50/60 HZ GROUND FAULT MONIT. THROUGH CONNECTION OF EXTERNAL SUMMATION CURRENT TRANSF. 1NO/1NC (OVERC./THERMISTOR) 1NO/1NC (GROUND FAULT), MONOST. KLOECKNER-MOELLER, ZWA500 MONOSTABLE KLOECKNER-MOELLER, ZWA500
3RB1257-0KG01
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS BISTABLE OUTPUTS GROUND FAULT SIGNALING AC 110…120 V, 50/60 HZ
3RB1257-0KG01-0AA0
ELEKTRON. UEBERLASTRELAIS MIT INTEGRIERTER THERMISTOR- UND ERDSCHLUSSUEBERWACHUNG 1S/1OE (UEBERLAST/THERMISTOR) 1S/1OE (ERDSCHLUSS) 125 BIS 500 A AC 110 BIS 120V 50/60HZ BISTABILE AUSGAENGE
3RB1257-0KG10
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS MONOSTABLE OUTPUTS OVERLOAD WARNING AC 110…120 V, 50/60 HZ
3RB1257-0KG11
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS BISTABLE OUTPUTS OVERLOAD WARNING AC 110…120 V, 50/60 HZ
3RB1257-0KG20
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET INT. GROUND FAULT DETECTION MONOSTABLE OUTPUTS GROUND FAULT SIGNALING AC 110…120 V, 50/60 HZ
3RB1257-0KG21
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) 1NO/1NC (EARTH FAULT) BISTABLE OUTPUTS
3RB1257-0KG30
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET INT. GROUND FAULT DETECTION MONOSTABLE OUTPUTS OVERLOAD WARNING AC 110…120 V, 50/60 HZ
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
3RB1257-0KG40
DISCONTINUED TYPE OVERLOAD RELAY 125 TO 500 A FOR FULL MOTOR PROTECTION SZ S10/S12, CLASS 5 TO 30 FOR MOUNTING ONTO CONTACTORS/INDIVIDUAL MOUNTING MAIN CIRC.: STRAIGHT-THROUGH CONVERTER AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE-RESET WITH ANALOG OUTPUT MONOSTABLE OUTPUTS GROUND FAULT SIGNAL DC 24 V
3RB1257-0KM00
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS MONOSTABLE OUTPUTS GROUND FAULT SIGNALING AC 220…240 V, 50/60 HZ
3RB1257-0KM00-0AA0
ELEKTRON. UEBERLASTRELAIS MIT INTEGRIERTER THERMISTOR- UND ERDSCHLUSSUEBERWACHUNG 1S/1OE (UEBERLAST/THERMISTOR) 1S/1OE (ERDSCHLUSS) 125 BIS 500 A AC 220 BIS 240V 50/60HZ MONOSTABILE AUSGAENGE
3RB1257-0KM00-0FM0
SOLID-STATE OVERLOAD RELAY, W. INTEGR. THERMISTOR PROTECT. 125…500 A AC 220…240 V 50/60 HZ GROUND FAULT MONIT. THROUGH CONNECTION OF EXTERNAL SUMMATION CURRENT TRANSF. 1NO/1NC (OVERC./THERMISTOR) 1NO/1NC (GROUND FAULT), MONOST. KLOECKNER-MOELLER, ZWA500 MONOSTABLE KLOECKNER-MOELLER, ZWA500
3RB1257-0KM01
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS BISTABLE OUTPUTS GROUND FAULT SIGNALING AC 220…240 V, 50/60 HZ
3RB1257-0KM01-0AA0
ELEKTRON. UEBERLASTRELAIS MIT INTEGRIERTER THERMISTOR- UND ERDSCHLUSSUEBERWACHUNG 1S/1OE (UEBERLAST/THERMISTOR) 1S/1OE (ERDSCHLUSS) 125 BIS 500 A AC 220 BIS 240V 50/60HZ BISTABILE AUSGAENGE
3RB1257-0KM10
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS MONOSTABLE OUTPUTS OVERLOAD WARNING AC 220…240 V, 50/60 HZ
3RB1257-0KM11
DISCONTINUED PRODUCT OVERLOAD RELAY 125…500 A FOR FULL MOTOR PROTECTION SIZE S10/S12, CLASS 5…30 F. CONT. MOUNT./ INDIV. MOUNT. MAIN CIRCUIT: BUSBAR CONN. AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-REMOTE RESET STANDARD FUNCTIONS BISTABLE OUTPUTS OVERLOAD WARNING AC 220…240 V, 50/60 HZ
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