BG Moulded LED Dimmer Module is suitable for use with LED lighting. It is a leading edge replacement dimming module that is able to dim 50 to 400W of halogen lamps or between 5 to 50W LED lamps. The dimmer switch has a minimum level dial adjustment at the rear of the dimming module to stabilise low level dimming. The dimming module has an off-centre rotary shaft making it an ideal retro dimmer module, fitting most dimmer plates.