5-step Transformer Speed Controller with 7 ampere

This Transformer Speed Controller can be switched in 5 steps and works with very low noise. You need the transformer, when you want to control the speed of your fan, pump etc. The speed controller has a max. amperage of 7,5. That means: You may only control gadgets with max. 7 Ampere. An instruction in English language will be supplied together with the device. The case (ca. 27 x 19 x 13cm) of the transformer speed controller consists of plastic and you can only use it in a room with a temperature of never higher than 35°C.

But only a professional electrician should assemble the speed controller.

A few words for maintenance: You don't have to maintain the 5-steps Transformer Speed Controller. When lightly polluted, you can clean the trafo with a dry or dampish cloth.

Technical details:

- Installed in a plastic case
- Low noise (to 1,5 ampere)
- Type: STR-1-75L22 230 Volt - 50/60Hz - 7,5 A
  Step 1: 110 Volt
  Step 2: 140 Volt
  Step 3: 170 Volt
  Step 4: 190 Volt
  Step 5: 230 Volt

Optimal applicable for example with the Duct fan WK 200, 1200m³/h.