ABB GJZ 252 1201 R0045 Industrial Relay Module

ABB GJZ 252 1201 R0045 is an ABB overload relay designed to protect three-phase motors in industrial control circuits. The R0045 variant covers a motor current range of 2.8–4 A, is a 3-pole device, and is rated for up to 600 V AC motor circuits, making it suitable for small-to-medium industrial motors when used with compatible ABB contactors. It provides thermal protection by tripping the circuit under overload conditions to prevent motor damage and reduce downtime. Typical applications include motor protection for conveyors, pumps, fans, and general machinery in manufacturing and processing environments, where it pairs with ABB starter assemblies to provide reliable, integrated protection and control.