We are offer proximity switches switching voltage: 140 vacswitching current: 350 macarry current: 0.5 a maxcontact resistance: 140 mohmsswitching distance: 4 mm min size:length: 0.472 in (12.0 mm)diameter: 0.118 in (3.0 mm)leadwire length: 3.543 in (90.0 mm)normally open switch.