Module parameters:
1, the module adopts 12V power supply, with anti-reverse connection function, reverse connection power will not damage the module;
2,
normally open interface load capacity: AC 0V--125V/20A, DC 0V--14V/20A; The output end of the module has three ports, common end (COM), normally open (CK) normally closed (CB), the three ports are equivalent to a double control switch, when the relay coil is powered, the public end and the normal start, no power, the public end and the normally closed end; COM terminal is generally connected to the negative terminal of the power supply through the load, and usually starts to connect to the positive terminal of the power supply


