4 relay optocoupler expansion module
- үнэ: 10,000 төг
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.
Uses:
1. support all MCU control
2. the industrial sector
3. PLC control
4. smart home control
