Features Adopts the hall proximity switch with high accuracy. With built-in protection circuit for reverse connection of the power supply, surge protection circuit and over-current protection circuit. Enhanced anti-interference ability through its self-developed special IC. IP50 rated with fully enclosed ABS plastic shell and technical housing insulation waterproof, oil resistant, shockproof, high temperature. Applicable to safety equipment, textile equipment, CNC machine tools, safety equipment, automated production lines, electronic machinery, etc. Specification: Brand: BERM. Item Type: Proximity Switch Model: PR12-4DN. Output mode: DC 3-wire NO NPN Operating voltage: DC10 ~ 30V. Output Current: 200mA Mould diameter: 12 mm. Detection distance: 4 mm. Detection mode: electromagnetic induction Cable length: 1.8m Detection objects: metal. Package list: 1 x proximity switch2 x nut2 x gasket Package List 1 x Proximity Switch 2 x Nut 2 x Gasket