Elta Single Phase 5-Step Transformer Controller 149-TC18 8 Amp
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We started tracking this price on 28 Oct 2026. The chart fills in as prices change, so you can see whether today’s price is a good one.
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About this product
The Elta 149-TC18 is an 8 Amp single phase transformer voltage controller giving five step speed control of single phase AC fan motors whose peak current does not exceed 8 A. Speed is chosen on a selector switch and the unit has an illuminated on/off switch.It runs on 220 to 240V 50Hz, has a fitted type D MCB for motor protection, an IP20 enclosure and is suitable for ambient temperatures up to 40°C. Because it steps the voltage with a transformer rather than chopping it electronically, it does not create the magnetic motor hum associated with some step-less speed controllers. 8 Amp 5-step transformer controller Single phase What it is best used forQuiet, stepped speed control of larger single phase AC fans where motor hum would be noticed: restaurants and commercial kitchens, classrooms, offices, plant rooms next to occupied space and roof extract. Elta specify it for the SDA450/4-1AC, …
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