DFR0911 2-Channel Level Converter (12V to 3.3V), Din Rail

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This 12V to 3.3V level converter module with 2-channel optocoupler isolation features common anode / common cathode / differential signal inputs.

The level shifter translates signal level from 12V to 3.3V and offers PNP output (NPN to PNP available). It can be used for signal isolation, PLC signal level conversion, NPN to PNP signal conversion, polarity conversion, signal level voltage conversion and so on.

Wiring Diagram of Common Anode Signal Input


Note: Module DC power supply positive equals to the signal output voltage, for example, 12 to 3.3V module, power input VCC=3.3V.


  • PNP Output (NPN to PNP available)
  • Output Signal Level (12V to 3.3V)
  • Signal Photoelectric Isolation


  • Signal isolation
  • PLC signal level conversion
  • NPN to PNP signal conversion
  • Polarity conversion
  • Signal level voltage conversion


  • Input Channel: 2-channel Optocoupler Isolation
  • Output Signal: PNP Output (NPN to PNP available)
  • Sensor Input Voltage: 12V
  • Module Supply Voltage: 3.3V
  • Input Signal Level: 12V
  • Output Signal Level: 3.3V
  • Output Current: no more than 50mA for each channel
  • Indicator: SMD LED
  • Size of Bare Board: 38*72*19mm/1.50*2.83*0.75”
  • Size of Converter with Shell: 40*87*39mm/1.57*3.43*1.54”
  • Size of Screw Hole: 3mm
  • Installation Specification: With Shell (Fit on standard rails)



  • 2-Channel Level Converter (12V to 3.3V) x1
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