Lumberg Automation 11626 RSF 3U/0,5 M 1/2"-20UNF-2B Sensor/Actuator Receptacle Connector: Male, Front Mount, 1/2"-20UNF-2B - Mating Side, Stranded Wires - Connecting Side, 3-pin, U (1/2"-20UNF-2B)-coded, Unshielded, Metallic Grey Housing, 230 V AC/DC, 4 A