4 position rotary switch for wall fan 1.Rating: 4A~120V.AC;3A~250V.AC 2.TUV,UL,ROHS 3.free samples for ... wall fan rotary switch 3210-43F 4 position rotary switch for wall fan CQC ... °45o, 90o,Function circuit: off, L-1, L-2, L-3. OFF , L-1, L-2, OFF, L-2, L-1 ... -2, L-1-2-3, etc....Major uses: Electric Heater, fan, heater fan , blower, humidifier ...