Item Type: Waterproof Connector Material: PA66 + PPS + Silicone + Copper Application: Widely used in communication equipment, instrumentation, computers, program controlled machines, alarm systems, and electronic equipment Shell Material: PA66, PA6 Insulator: Thermoplastic PPS (high temperature resistant up to 220°C) 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: 10-15mm² Installation Hole Distance: Approx. 30 x 30mm / 1.18 x 1.18in Plugging Times: More than 500 cycles Operating Temperature Range: -25°C to 85°C Tightness: Conforms to IP68 1 Connector: The 250V 45A square connector with 4 holes has a 28mm head size; pressing installation can be easily completed with a screwdriver 2 Durability: Durable for repeated plugging over 500 times; gold-plated solid copper pin resists oxidation and ensures long service life 3 Safe Use: Shell made of PA66 and PA6 offers reliable resistance to corrosion and temperature; silicone cover ensures IP68 waterproof performance 4 Firm Connection: Soldering connection provides secure attachment that is less likely to loosen, ideal for outdoor use 5 Application: Suitable for use in communication equipment, instrumentation, computers, program controlled machines, alarm systems, and more 1 x Male Connector 1 x Female Connector Please supply power according to the specified voltage; using other voltages may cause fire or product damage