With multiple protection circuits including power supply reverse connection protection, surge protection, and overcurrent protection. Suitable for security equipment, textile equipment, CNC machine tools, automated production lines, electronic machinery, and similar industrial applications. IP67 rated protection grade with a fully enclosed ABS plastic housing; provides insulation, waterproofing, oil resistance, shock resistance, and high-temperature durability. Enhanced anti-interference capability through self-developed specialized IC technology. Features a Hall-effect proximity switch with high accuracy. Includes: 1 x Proximity Switch, 2 x Nut, 2 x Gasket Item Type: Proximity Switch Model: PR18-5DN Output Mode: DC 3-Wire NO NPN Working Voltage: DC 1030V Output Current: 200mA Shape Diameter: 18mm (0.71in) Detection Distance: 5mm Detection Mode: Electromagnetic Induction Wire Length: 1.8m Type: Hall Proximity Switch Detection Objects: Metal