Features： 1、Connector: The 380V 45A square waterproof connector with 4 holes has 28mm head size, which is very convenient to install. 2、Durability: Durable in plugging, the gold plated solid copper pin is anti oxidation and has a long service life as well. 3、Safe Using: The flexible shell is made of PA66 and PA6, resistant to corrosion and temperature, also not easy to break. 4、Firm Connection: Iron soldering can be applied to the cable connection, ensuring firmer connecting with extra reliability. 5、Application: Widely used in communication equipment, instrumentation, computers, program controlled machine and so on. Specification： Item Type: Waterproof Connector Material: PA66 + PPS + Silica Gel + 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 Thread Specification: M28 x 1.5mm / 0.1in (approx.) Insulation Resistance: 2000MΩ Copper Needle Diameter: Approx. 3.6mm / 0.1in Copper Pin Applicable Cable: ≤6mm² Applicable Current: 45A Applicable Voltage: 380V Applicable Cables for Shell: Φ12-14.5mm² Plugging Times: More than 500 times. Operating Temperature Range: -25℃ to 85℃. Tightness: Conform to IP68. Package List： 1 x Plug  1 x Socket