Hard Wired Relay Module, 1x12A, NO-COM output Allows control of devices with a maximum load of 12 A: heat source, circulating pump, lighting, fans, gates, etc. Technical Data Power supply: 230V AC 50Hz Max current: 12A Communication: ZigBee 3.0 Control output: NO/COM (voltage free) Input: NO/COM (voltage free), SL 230V AC voltage output signal Dimensions: L48 x W48 x D20mm