4 Channel 5V Relay Module - Optically Isolated Input
Input to each relay is Optically isolated. 5V coiled Relays. Output switch is 10A @ 125V rated
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.
1, support all MCU control.
2, the industrial sector
3, PLC control;
4, smart home control