Feature 1 Multi Function: This box assists in PV array input, primary combination, fast circuit cut off, lightning protection, anti reverse connection, anti overload, etc. 2 With 32A Circuit Breaker: Comes with a 32A circuit breaker, a surge protection device, the green light means normal. Once it turns to red, remember to replace it in time. 3 With 15A Fuse: Built in 4 separate 15A rated fuses. The maximum current of a single photovoltaic input array is 15A. Their function is overload protection. 4 Easy Installation: The waterproof box is easy to install, and the transparent cover can check the status of the main switch and lightning arrester. Made of IP65 waterproof and flame retardant material, which is durable. Waterproof and rust proof. 5 Defend Your Equipment: The combiner box defends pv solar panels and inverters. In addition, it will optimize the system command to make the system more useful, increase the output power of the photovoltaic power generation system.Item Type: PV Combiner BoxMaterial: Polycarbonate, ABSInput: 2 StringsOutput: 1 StringMaximum Voltage: 500VMaximum Short Circuit Current (isc) of Each Input: 15A (replaceable)Maximum Current Input: 32AProtection Grade: IP65Impact Resistance: IK10Product Size: About Approx. 210 x 210 x 120mm / 8.27 x 8.27 x 4.72in (excluding protruding parts)Cable Inlet: PG09 2.5 to 6mm, 2.5 to 6mmOutput Current Ring: PG21 2.5 to 6mm, 2.5 to 6mmDC Disconnector: LQL7, LQB1Rated Insulation Voltage (Ui): 500VRated Current (Le): 32ADC Arrester: LD 40Maximum Working Voltage (Ucpv): 500VMaximum Discharge Current: 40KADC Fuse Holder: LQPV 1000VDCRated Working Voltage: 500VFuse: Approx. 10 x 38mm / 0.39 x 1.5in 15A Package List1 x PV Combiner Box1 x Manual 1 x Ground Wire1 x Wrench 4 x Screw4 x Expansion Tube 4 x Connector( Male x 2, Female x 2)4 x Core