3RB1257-0KB00 - Siemens
MPN3RB1257-0KB00
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 DC 24 V
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
MPN
3RB1257-0KB00