1、Safety And Reliability: This PV combiner box is equipped with high voltage arrester and 15A independent fuse, which protects the circuit from short circuit, no voltage and over current, avoiding damage to the solar panels and inverters and malfunctioning. 2、IP65 Waterproof Rating: This PV solar combiner box has IP65 waterproof rating, which can effectively prevent bad weather and ensure the product is well protected. 3、Sturdy And Durable: This lightning arreste solar combiner box is made of excellent PC and ABS material, which is sturdy and durable and not easy to be damaged. 4、Easy To Install: This solar combiner box comes with prewired cables and ground wires that are plug and play, as well as mounting clips that allow the box to be quickly fixed to any regular surface, which is a perfect time saver! 5、Wide Application: This solar PV combiner box is suitable for all kinds of PV on grid and off grid power generation systems, and is compatible with any brand of solar panels and solar connectors. 1 x Solar Combiner Box 2 x Male Plugs2 x Female Plugs4 x Waterproof Connectors4 x Cores5 x Terminal Blocks4 x Screws4 x Expansion Screws1 x PV Special Wrench 4 x Gaskets1 x Manual  Item Type: Solar Combiner BoxMaterial: PC Flame Retardant, ABSInput: 1 StringOutput: 1 StringProtection Grade: IP65Shock Resistant Degree: IK10Cable Input Entry: PG 2.5-6mm², 2.5-6mm²Output Cable Gland: PG 2.5-6mm², 2.5-6mm²DC Surge Protectors:Maximum Discharge Current: 40KADC Fuse Holder:Fuse: 15A Approx. 10 x 38mm / 0.39 x 1.5in