ABB RA4 Series Interface Relay, PCB Mount, 24V Coil

The ABB RA4 interface relay is designed to receive 24 V DC signals delivered by PLC’s or other sources with a low output power and to restore them with sufficient power to operate the coils of the relevant AF09 to AF96 contactors or the NF contactor relays.

Screw type terminal
Simply clipped on the top of the contactor