Features Multifunctional: This solar PV combiner box is multifunctional, with quick circuit cutoff, lightning protection, anti reverse connection, overload protection and other functions. 4PCS 15A Rated Fuses: This solar PV combiner box has four 15A rated fuses, which function as overload protection to protect the circuit. IP65 Waterproof: This solar photovoltaic combiner box has IP65 waterproof, which can be used outdoors to prevent the erosion of rainwater. Transparent Lid Design: This solar PV combiner box is designed with a transparent lid, which allows you to check the status of the main switch and surge arrester. Wide Application: This solar photovoltaic combiner box has a wide range of applications, which can be used in home, warehouse, apartment, hotel and so on. Specification: Item Type: Solar PV Combiner Box Material: Polycarbonate, ABS Input: 2 Strings Output: 2 Strings Maximum Voltage: 1000VDC Protection Grade: IP65 Shock Resistance: IK10 Cable Input Entry: PG 2.5-6mm², 2.5-6mm² Output Cable Gland: PG 2.5-6mm², 2.5-6mm² DC Surge Protectors: Maximum Working Voltage (Ucpv): 1000VDC Maximum Discharge Current: 40KA DC Fuse Holder: Rated Working Voltage: 1000VDC Fuse: Approx. 10 x 38mm / 0.39 x 1.5in, 10-30A ( Comes With 15A, Can be Replaced by Yourself) Package List:1 x Solar Combiner Box4 x Screw4 x Expansion Tube1 x Manual Package List 1 x Solar Combiner Box 4 x Screw 4 x Expansion Tube 1 x Manual