Male/female solar panel cable connectors with spanner assembly tool for pv system The product is shipped based on the color or size of the main image of the product page. These are MC4 style connectors which are used to connect multiple solar panels or groups of solar panels together in a solar field, and typically used in parallel applications. The included MC4 assembly tool makes it easier for users to quickly and easily tighten and separate the connectors. Features: The conductor pin is tinned copper that can ensure excellent electrical contact. Cable connection adopts method of rivet and lock, quick & simple for assembly. With excellent aging resistance and UV endurance, it can be used in harsh environment. The O ring on connector is perfect to seal out water and dust to prevent corrosion. The included MC4 assembly tool makes it easier to tighten and separate the connectors. Great solution for parallel connection of multiple panels together in a solar field. Specifications: Quantity: 10 Pairs / 20 Pairs(Optional); Rated Current: 16A(2.5, AWG14), 30A(4, AWG12), 52A(6, AWG10); Withstanding Voltage: 1000V DC; Typical Contact Resistance: 2m; Suitable Cable Size: 2.5mm/4mm/6mm; Protection Class: Class ; Protection Degree: IP67; Insulation Material: PC; Contact Material: Copper, Tin Plated; Flame Class: UL94-V0; Ambient Temperature Range: -40C ~ +105C; Insertion Force: less than 50N; Withdrawal Force: over 50N; Package Weight: 221g-428g / 7.8oz-15.12oz; Note: The color of spanner will be sent randomly(blue or orange), please in kind prevail. Package List: 10 * Pairs MC4 Connectors; 1 * Spanner