... optional Signal and power circuit combination MDH0317 "Slip Ring":Mastering the key technique of design and manufacture,holding ... Number of rings:2,6,8Rated current:2A/ringVoltage1500VACLead size:AWG26 Colour coded,silver plated,PTEE insulated lead ... DataOperate speed:0-250rpmContact material surface:Brush:silver alloy,Ring:silver-gilt copperBearing:Steel ball bearingsHousing:ABS Engineering ...