Item Type: Waterproof Connector Material: PA66 + PPS + Silicone + Copper Application: Widely used in communication equipment, instrumentation, computers, program controlled machine, alarm bridge electronic equipment, etc. Shell Material: PA66, PA6 Insulator: Thermoplastic PPS (high temperature resistant 220). Contact Material: Copper (gold plated). Wiring Method: Screw Crimping Connection Method: Threaded connection. Head Size: Approx. 20mm / 0.79in Insulation Resistance: 2000M Applicable Voltage: 250V Applicable Cables for Shell: 6-12mm2 Plugging Times: More than 500 times. Operating Temperature Range: -25 to 85. Tightness: Conform to IP68. Pin Number2 Pin3 Pin4 Pin5 Pin Contact Diameter(Approx.)2.8mm / 0.11in2.8mm / 0.11in2.8mm / 0.11in1.8mm / 0.07in Copper Pin Applicable Cable0.5-4mm20.5-4mm20.5-4mm20.5-2.5mm2 Applicable Current25A25A25A10A