1-phase Vents STR-1 Auto transformer 5-Step Extractor Fan Speed Controller
FREE UK MAINLAND DELIVERY on orders over 150
- Large range of Amp sizes available.
- 5 selectable voltage speeds.
- Protected to IP54.
- Completely eliminates harmonic fan motor hum.
- For 240v fans only.
- Neon on/off indicator.
- An exeptional auto transformer for all makes of commercial and industrial extractor fans.
Vent STR Speed controllers are designed to suit all Vent speed controllable extract and supply air fans and air handling unit. They offer a full speed control range from 40% of full fan speed upwards in 5 equal stepped voltages.
Transformer based technology offers has the advance of not creating harmonic noise normally associated with electronic speed controllers. STR speed controllers do not generate any annoying humming or buzzing noise.
STR speed controllers are supplied in either a plastic or steel casing with an IP54 rating. This makes them more suitable for kitchen extract systems and humid environments.