3V 1Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino Overview:

The 3V 1channel relay module is equiped with optocoupler isolation, max load AC 250A 10A, DC 30V 10A, support all SCM control, widely used in PLC control, home intelligent control,industry etc.


  1. This is a 3V 1 channel relay module with optocoupler isolation.
  2. 1 relay output module, max load AC 250A 10A, DC 30V 10A.
  3. VCC, GND power input,with optocoupler isolation.
  4.  Low level trigger,stable performace.
  5. With output indicator, can be directly microcontroller output
  6. It can be controlled directly by Microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic)
  7. Surrounded by fixed mounting holes, external connection use rotating crimping terminal, make connection firmer
  8. Optical coupling isolation, input and output power optional independent control ( DC 3V )


  1. One Channel 3V Relay interface board,be able to control various appliances, and equipments with large current


  1. Materials: Metal, Plastic, Electric Parts
  2. Size: Approx. 51x31x19mm/ 2.01×1.22×0.75inch
  3. Pole Number: 1 Channel
  4. Load: 10A

Package Includes:

  • 1 x 3V 1 Channel Relay Module Interface Board Low Level Trigger Optocoupler
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Additional information

Weight 0.1 kg


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