4 Channel Relay Module board is used to interface any Microcontroller with Electrical Appliances/Loads. Can also be used in driving high power motors.4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power supply relay power input of JD-VCC.

Relay switching capacity 10A 250VAC / 10A 30VDC
Trigger logic level Low
Trigger Voltage 5V DC
No. of channels 4
Relay type Coil based suger cube relay