Dynair RVT1 Threephase self-transformer speed regulator 4A

Manual voltage controller with autotransformer switchover, and 5 step voltage output selection. Suitable for speed regulation of  three-phase asynchronous motors. Creates minimal magnetoacoustic noise in the motor.


  • Power source: Three-phase 400V~50/60Hz
  • Max nominal current: 4A
  • Output voltage options: 95V / 145V / 190V / 240V / 400V
  • IP55 grade protection
  • Small indicator light
  • Housing made out of die-cast aluminium, in grey color (RAL7001).
  • Weight: 11kg