UK 220V AC 4000W SCR Variable Voltage Regulator Motor Speed Control Controller
Some basic details.
Working voltage AC 220V
Voltage regulation AC 10-220V
Maximum power 4000W (resistive load connected)
Protection Anti-spike, surge, RC absorption (EOC)
These units are not Variacs.
Variac® transformers are Variable AC Power Supplies that provide adjustable AC voltage.
![](https://i.ytimg.com/vi/2JOw6aMCgYk/maxresdefault.jpg)