Blauberg STR Speed controllers are designed to suit all Blauberg 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.
- Suitable for speed controllable fans with a full load current up to 1.5 Amps.
- 5 selectable voltage speeds.
- Completely eliminates harmonic fan motor hum.
- An exeptional auto transformer for all makes of commercial and industrial extractor fans.