PV Combiner Box, 4-String, 15A Fuses, 63A Breaker

PV combiner box streamlines 4 solar strings into one protected output to simplify wiring, speed troubleshooting, and improve system safety. Built for on-grid and off-grid solar panel systems, it combines DC fuses, a 63A circuit breaker, and surge protection in an IP65 weather-sealed enclosure. The latch-door design and detachable mounting plate make access and installation straightforward, while standard solar connectors help ensure a secure, consistent connection.

• Delivers 4-string combining with 1 output to organize PV arrays and reduce messy cable runs


• Includes 4× 15A DC fuses plus a 63A DC breaker to isolate circuits fast for safer maintenance


• Protects with 40kA DC surge/lightning arrester to help defend equipment during harsh weather


• Seals out dust and rain with an IP65 enclosure and PU sealing strip for outdoor installations


• Fits standard solar connectors and supports quick mounting with a latch door and detachable plate

Use this solar PV combiner box when you want cleaner string management, easier shutdown, and dependable outdoor protection without overcomplicating your setup. The ABS insulated housing with a grey-white finish is built for demanding environments, while the internal layout keeps components accessible for routine checks and replacements. Ideal for rooftops, ground mounts, sheds, cabins, and other PV installations where reliability matters. Grab yours today and tidy up your DC side with a properly protected combiner.

• Inputs/Outputs: 4 inputs, 1 output


• Rated operating voltage: DC 500V


• Fuse holder: DC 15A/500V (4 fuses)


• Main circuit breaker: 63A 2P DC500V


• Surge protector: 40kA, 2P DC500V


• Ingress rating: IP65


• Door opening: Latch


• Main material: ABS plastic; finish: RAL7035 grey-white


• Sealing strip: PU polyurethane foam (black)


• Mounting plate: Detachable; ABS mesh plastic base


• External size: 200 × 200 × 100 mm (7.87 × 7.87 × 3.94 in)


• Net weight (with accessories): 1.86 kg (4.1 lb)