This board is simple to hook up, the 3-Pin male header carries a 5VDC coil voltage and the "on" input signal An external load is connected via a set of sturdy screw terminals Terminals are provided for both normally closed and normally open operation Suitable for SCM development, home appliance control 5V-12V TTL control signal, can control DC/AC signal Can control 220V AC load.
Required drive current: 15-20mA each channel
Control signal: 5V TTL level
Maximum switching voltage: 250VAC, 30VDC
Equipped with high-current relay SPDT: 10A 30Vdc - 250Vac 10A
Strip Connection: 2.54mm
Dimensions: 40 x 27 x 20 mm