RuckDemand Control Ventilation Commercial & Domestic FansIndustrial FansDuct Heaters & CoolersUnit Heaters & DehumidifiersAir Handling Units & Heat Recovery UnitsGrilles & DiffusersRoof HoodsChilled BeamsSpecialist Low Leakage DampersVolume, Fire & Smoke DampersFan Coils UnitsVAV's & CAV'sSilencersControllers

Electronic Speed Controllers

STK Series

Speed Controllers for hand control of voltage controllable 230 Vac electric motors in a robust case.
Models from 0,8 to 3,0 A. Surface-mounting, IP 54.
- A-version: Control from high to low speed.
- O-version: With separate On/Off switch.
- D-version: With 'hard' start.