rotary selector switch 1. certifications: UL, CCC,CQC,RoHS,TUV 2. manufacturing experience:15 years 3. free sample available rotary selector switch:Mounting ... wayWith Iron shell, with assemble holes, with screw threadShifting angle18°, 22.5°, 45° ... such as juicers, food processorElectrical life≥10000 cycles rotary selector switch