Feature:1. Connector: Square waterproof 380V 45A connector with 4 holes has 28mm head size, which is very convenient to install. 2. Durability: Durable in connection, the gold plated solid copper pin is anti-oxidation and also has a long service life. 3. Safe use: the flexible coating is made of PA66 and PA6, resistant to corrosion and temperature, also not easy to break. 4. Robust connection: Iron soldering can be used for the cable connection, providing a stronger connection with added reliability. 5. Application: widely used in communication equipment, instrumentation, computers, software controlled machine and so on. . Waterproof Square Connector 4 Holes IP68 Specification: Item Type: Waterproof Connector Material: PA66 PPS silica gel copper Application: widely used in communication equipment, instrumentation, computers, software controlled machine, alarm bridge electronic equipment, etc. Shell Material: PA66, PA6 Insulator: thermoplastic PPS (resistant to high temperatures 220 ). Contact material: copper (gold plated). Connection method: soldering (if pasta soldering is used, it should be cleaned). Connection method: threaded connection. Head Size: ok. 28 mm / 1,1 inch Thread specification: M28 x 1,5 mm / 0,1 inch (approximately) Insulation resistance: 2000MΩ Copper needle diameter: ok. 3,6 mm / 0,1 inch Copper cable used: 6mm² Applicable Current: 45A Applicable Voltage: 380V Suitable cables for housing: Φ12-14,5 mm² Connection times: more than 500 times. Operating temperature range: -25 to 85 . Tightness: IP68 compliant. . Waterproof Square Connector 4 Holes IP68 Package List:1 x Plugin 1 x Socket . Waterproof Square Connector 4 Holes IP68