TRIAC is a similar device to relay, switching on and off to drive devices, has its own pros and cons, in some case could be better alternative.


  • Simplifies Logic Control of 115/240 Vac
  • Zero Voltage Crossing
  • dv/dt of 1500 V/µs Typical, 600 V/µs Guaranteed


  • Switching 16A, up to 630V

Board Features:

  • Control high-power AC equipment, motors, light bulbs, LED strips, DC motors, micro-pumps, solenoid valves
  • DC input control signal, 3.3-24V, 5mA, can drive by MCU, PLC IOs directly.
  • On board RC absorb snubbers circuit, to absorb feedback energy.


  • VAC input from right-bottom two pins, VAC Load from right-top two pins. Reversed will be nothing happen and no any harm.
  • Wiring please refer to attached image, if the VAC mains in and load connected revsered, it won’t explode but it won’t be controlled.

For customer only schematic at here.

Additional information

Weight 0.01 kg


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