2012 New LW31B Rotary Switch 1,20-175A current rotary switch 2,110-690V voltage rotary switch 3,CE, ROHS certification Brand NamesaipModel ... Description 2012 New LW31B Rotary Switch 1,20-175A current rotary switch 2,110-690V voltage rotary switch 3,CE, ROHS certification 2012 ... to 100A.LW30 is suitable to control:air-conditioner,water pump and ventilating equipments,and AC motors with small power..LW30 ...