Features: 1. Purpose: Installed between solar panels and solar inverters, protection includes overvoltage, overload, to prolong the working life of the solar system. 2. 1 in 1 out photovoltaic junction box, with DC 500V/32A protection circuit breaker, suitable for various solar photovoltaic series. 3. IP65 waterproof and dustproof, equipped with reliable DC components to bring maximum protection. 4. Easy to install, plug and play and pre-connected cables provide an easy solution for connecting solar panels, compatible with all brands of solar panels with solar connectors. 5. Support mains power grid-connected/off-grid photovoltaic solar power generation system, solar panel system. Specifications: Material: Polycarbonate/ABS Input: 1 set of connectors Output: 1 set of connectors Maximum voltage: 500V Maximum DC short-circuit current (Isc) per input: 32A Maximum current output: 32A Protection class: IP65 Size (L*W*H): 120*55*90mm Cable input entry: PG20 4?? Output cable connector: PG20 4?? DC circuit breaker: LQB1 Rated insulation voltage (Ui): 500V Rated current (Le): 32A Maximum working voltage (Ucpv): 500V Rated working voltage: 500V Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3mm measuring deviation due to manual measurement. Thank you for your understanding! Packing List: 1 in 1 out 32A combiner box*1 Plastic expansion*4 Mounting screw*4 MC4-30A*2 Photovoltaic special wrench*1 Manual*1