4 String Solar Combiner Box, IP65 Waterproof PV Combiner Box with 20A Rated Curr

It works well in -20°C to 70°C, with rubber door seal and latch structure to effectively prevent rain and dust ingress. 【Independent String Protection】: This solar combiner box combines DC power from 4 photovoltaic strings with independent 20A fuses, 2P63A DC circuit breaker, and surge/lightning protection; ideal for small residential solar systems, RVs, and outdoor lighting, ensuring safe and stable operation.