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3 Channel AC 220V Optocoupler Isolation Module AC Detection Module 220V Testing Module

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Special Features

  • 3 Channel 220V optocoupler isolation module, using NPN transistor to output saturated conduction current up to 100-300MA
  • The module can be used to detect the presence of 220V AC power
  • When there is 220V, the coupling conduction output is low level
  • When there is no 220V, Output is a stable high and low level
  • It can be directly connected to the IO port of the microcontroller for detection, or it can be connected to a PLC compatible with all PLC inputs

Description

Product parameter
The output power supply can be DC: 3V~24V

Note:
Do not touch any devices inside the white wire frame on the board after this module is powered on Pay attention to electricity safety

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