Data sheet3RB3123-4SB0 OVERLOAD RELAY 3...12 A FOR MOTOR PROTECTION SIZE S0, CLASS 5...30 CONTACTOR ASS. MAIN CIRCUIT: SCREW CONN. AUX.CIRCUIT: SCREW CONN. MANUAL-AUTOM.-RESET INT. GROUND FAULT DETECTION Declaration of Test Certificates Shipping Approval Conformity Shipping Approval Best...