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4-channel relay control board with optocoupler

Item Code: AB596
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Units 10000 in Stock
  • Description
4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GNDpower 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;