ABB – GHR1020004R3 – Control Relay Module

Main Features

• Manufacturer: ABB  

• Model/MPN: GHR1020004R3  

• Module Type: Control/interface relay module with pluggable socket (switching socket)  

• Series: Part of ABB’s CR‑M pluggable miniature interface relay family, designed for signal isolation, amplification, and matching between PLCs, field-bus systems, and sensor/actuator circuits  

• Socket-Mounted: Easily installed/replaced on DIN rail via a standard socket interface  

• Typical Application: Switching loads, interfacing PLC outputs to field devices, and enabling clean replacement/testability in control panels  

• Module Weight: ~0.10 kg