DC PV Combiner Box Waterproof Easy Wiring Photovoltaic Combiner Box for 4 Input 1 Output MPPT Inverter 1000V Item Type: DC PV Combiner Box Maximum Input Current of Each String: 15A Maximum Number of Input Strings: 4 Maximum Output Switch Current: 50A, 63A Number of Inverter MPPT: 1 Number of Output Strings: 1 Lightning Protection: Test Category: Class II protection Rated Discharge Current: 20kA Maximum Discharge Current: 40kA Number of Poles: 3P System: Protection Grade: IP65 Output Switch: DC disconnector (standard) MC4R Waterproof Connector: Standard configuration PV DC fuse: Standard PV Surge Protector: Standard Box Material: PVC Installation Method: Wall mounted installation Operating Temperature: - 25 ℃ to +55 ℃ Temperature Rise: Approx. 2000m / 6561.7ft Allowable Relative Humidity: 0 to 95%, no condensate