ST4-150/400 wall switch, 4-step rotary switch, for ceiling fan. Supplied = assembled. Colour = white. Product type = accessories for ceiling fans. ST4-150/400, 4-step rotary switch for hum-free control of ceiling fans and as an on/off switch for light. The controller operates using micro-capacitors. The delivery includes a surface-mounted housing, installation in standard flush mounted sockets possible. 2 separate phases (L) are required for switching the motor and light separately. Motor power max. 150 W, lighting max. 300 W.