Solar PV Combiner Box Dustproof IP65 Single Output Single Input PVC Photovoltaic Combiner Box 550V Item Type: Solar PV Combiner Box Material: PVC Maximum Input Current per String: 15A Maximum Number of Input Strings: 1 Maximum Output Switching Current: 16A/20A 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: 2P System Protection Grade: IP65 MC4R Waterproof Connector: Standard Photovoltaic DC Fuse: Standard Photovoltaic Surge Protector: Standard Enclosure Material: Wall Mount Installation Method: Wall mounted Operating Temperature: -25℃-55℃ Temperature Rise: 2km Allowable Relative Humidity: 0-95%, no condensation