Looking for a simple way to manually adjust the voltage on your equipment? This Variac variable transformer from the RS PRO range features a knob and dial, so you can easily change the AC output voltage according to your needs. It has a frame with four moulded holes, so it's ready to screw into your control panel.


A silver-plated commutator in the transformer ensures a smooth, distortion-free output. Its single winding makes it a space-saving option, and it has overload protection to ensure your safety. You can use this Variac variable transformer in industrial settings where voltage control is critical, as well as in audio systems like amplifiers.