Waterproof Connector Square 4 Holes IP68 Aviation Power Socket 250V 45A for Cable Wire LP28 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). Connection Method: Soldering (if solder paste is used, it must be cleaned). Connection Method: Threaded connection. Head Size: Approx. 28mm / 1.1in Insulation Resistance: 2000MΩ Copper Needle Diameter: Approx. 3.6mm / 0.14in Copper Pin Applicable Cable: 0.5-4mm² Applicable Current: 45A Applicable Voltage: 250V Applicable Cables for Shell: Φ10-15mm² Installation Hole Distance: Approx. 30 x 30mm / 1.18 x 1.18in Plugging Times: More than 500 times. Operating Temperature Range: -25℃ to 85℃. Tightness: Conform to IP68.