Features: The combiner box is installed between solar panel and solar inverters, protections includes overvoltage, overload, to prolong the working life of the solar systems. PC shell, equipped with copper coils, handles and clear lid that conform to ergonomic engineering, which is convenient for viewing condition. Provide over-pressure and overload protections through remote opening/levels.Suitable for harsh indoor and outdoor conditions, extending the service life of solar systems. Insert and play design, install it simple and safe between solar panel and inverters.It has a waterproof connector and a pre-drilling hole, with a built-in guide. It is very suitable for photovoltaic and networks and departure systems, as well as home and solar settings.IP65 waterproof levels ensures outdoor rainproofness. Specifications: Shell Component: PC Current: 20A/32A/63A Size: about 176x53x93mm/6.93x2.09x3.66inch voltages 400VDC/ Insulation voltages: 500VDC/ protections levels: IP65 Package Includes: 1set Solar Disconnect switches note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.