SC2-1 – two speed transformer fan speed controller, 230 V

The SC2-1 transformer speed controllers are based on the principle of voltage control with auto-transformers. They are applicable to voltage-controllable motors (230 V, 50/60 Hz) to control the rotational speed (of fans, pumps, etc.). This controller makes it possible to select 2 optimal motor speeds and to switch these by a contact. So, important energy savings and an increase of comfort can be realised. E.g. Day/Night control.

  • 230 VAC – 50/60 Hz – from 1,5 up to 20 A
  • IP54
  • 2 switches: 5 positions and Off-position
  • Several voltage ranges possible
  • Indicator lamp
  • 230 VAC unregulated output (as an example for damper actuator)

Technical description

  • 230 VAC – 50/60 Hz
  • Enclosure: sheet steel (RAL 7035, polyester powder coating) or plastic (R-ABS, UL94-V0, RAL 7035)
  • IP54
  • 2 switches: 5 positions with off-position
  • Several voltage ranges possible
  • Indicator light
  • Current fuse
  • 230 VAC unregulated output
  • Ready mounted cable glands
  • Maximal ambient temperature: 35 °C