Welcome to the store! 20A In-line Diode Connector Solar Panel Cable Connectors Practical and Simple Connector: Used between solar panels and junction boxes to prevent reverse current. Copper Connectors: The connectors are made of copper, tin-plated for easy soldering. Each end nut includes rubber bushings for an airtight seal. IP67 Rated: This connector is rated IP67. The first digit (7) indicates dust protection, and the second digit (7) indicates water resistance. Specifications: Contact Material: PPO, PC Protection Grade: IP67 Rated Current: 20A Flammability Rating: UL94-V0 Rated Voltage: 1000V (TUV) & 600V (UL) Test Voltage: 6kV (50Hz, 1min) Insertion Force/Withdrawal Force: ≤ 50N / ≥ 50N Pin Dimensions: F4.0mm Connection System: Crimp connection Contact Resistance of Mating Part: ≤ 5mΩ Temperature Range: (-40°C - 85°C) Contact Material: Copper, tinned Maximum Temperature: 110°C Insulation Material: PPO Package: 4 x PV Diode Connectors (Note: Other products are not included.) Disclaimer: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!