Engine speed controller 230VAC 2000W Controller of rotational speed, voltage power of all kinds of 230VAC devices. If you need to change the speed of your engine, you\u2019ve come to the right place. Device designed ro to adjust all kinds of receivers such as: Power tools Universal engines Heaters Fans other Regulation based on phase regulation. The device equipped with a universal socket ( EU \/UK) most closely do the Polish stard of sockets plugs. Description of pins: Power plug Main switch Voltmeter (indicates adjustable output voltage) Voltage regulation potentiometer do connection of receivers (UE\/UK) Technical parameters: Supply voltage (Input) 200-240 VAC Voltage regulation range 30-250 VAC Maximum power 2000W Dimensions 120x65x55mm (length\/height\/width) Degree of protection IP40 Operating temperature -20 do 60C Operating humidity 5-90% (non-condensing)