ITEM NAME:220V 4000W SCR Electronic Volt Regulator Speed Controller Governor Dimmer Mod Gw.Power: 4000w. It also works with the single phase brushed motor which the max power can NOT be over the 1/3 of 40000W. Special design with 1.6 thick FR - 4 high temperature resistant circuit board. Radiator fin size: 48 x 35 x 30mm.
