2012 New LW31B Rotary Switch 1,20-175A current rotary switch 2,110-690V voltage rotary switch 3,CE, ROHS certification Brand NamesaipModel NumberLW31BMax. Current20 ... Product Description 2012 New LW31B Rotary Switch 1,20-175A current rotary switch 2,110-690V voltage rotary switch 3,CE, ROHS certification 2012 ...