PV Combiner Box, 4-String, IP65, 15A Fuse, 63A Breaker

PV combiner box simplifies multi-panel wiring while adding circuit isolation and surge protection for safer, easier solar system maintenance. This 4-string solar combiner box consolidates 4 inputs into 1 output with DC fuses, a 63A DC breaker, and a built-in lightning arrester to help protect your PV array in outdoor conditions. An IP65-rated steel enclosure with sealing strip helps keep dust and rain out for reliable on-grid or off-grid use.

• Combines 4 strings into 1 output to reduce cable clutter and streamline PV array wiring


• Delivers fast shutoff with a 63A 2P DC breaker for safer troubleshooting and service


• Protects each string with 4x DC 15A/500V fuses to help isolate faults and limit downtime


• Defends electronics with a 40kA DC500V surge protector/lightning arrester for outdoor exposure


• Seals out weather with an IP65 enclosure, PU foam gasket, and rotary lock door for secure access

Built for demanding solar installations, this steel PV combiner box uses a powder-coated cold rolled steel case and a detachable mounting plate to speed clean installs. Dual-color wiring support and standard solar connector compatibility make integration straightforward across many solar panels and inverter setups. Use it to centralize protection, simplify system expansion, and keep your array organized. Grab yours today and tighten up your PV wiring with a single, service-friendly junction point.

• Inputs/Outputs: 4 inputs, 1 output (4-string)


• Rated operating voltage: DC 500V


• Main circuit breaker: 63A, 2P, DC500V


• Fuses: 4x DC 15A/500V; fuse rated current: DC 15A


• Surge protection: 40kA, 2P, DC500V


• Ingress protection: IP65


• Enclosure material: 0.8 mm cold rolled steel, RAL7035 grey-white coating


• Sealing strip: PU polyurethane foam (black)


• Mounting plate: detachable, powder-coated cold rolled steel


• Door opening: rotary lock


• Dimensions (L x W x H): 9.06 x 9.84 x 3.94 in (230 x 250 x 100 mm)


• Net weight (with accessories): 7.1 lb (3.22 kg)