--- product_id: 567039872 title: "4 String PV Combiner Box with 15A Rated Current Fuse, Metal Box" brand: "powgrow" price: "2951 kr" currency: DKK in_stock: true category: "Pow Grow" url: https://www.desertcart.dk/products/567039872-4-string-pv-combiner-box-with-15a-rated-current-fuse store_origin: DK region: Denmark --- # 15A rated fuse x4 for overload protection Durable metal lockable IP65 waterproof box Built-in surge protector with LED status 4 String PV Combiner Box with 15A Rated Current Fuse, Metal Box **Brand:** powgrow **Price:** 2951 kr **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power up your solar game with pro-grade protection and sleek reliability! ## Quick Answers - **What is this?** 4 String PV Combiner Box with 15A Rated Current Fuse, Metal Box by powgrow - **How much does it cost?** 2951 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/567039872-4-string-pv-combiner-box-with-15a-rated-current-fuse) ## Best For - powgrow enthusiasts ## Why This Product - Trusted powgrow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Robust 15A Fuse Protection:** Safeguard your solar arrays with four individual 15A fuses, ensuring reliable overload defense. - β€’ **Weatherproof Metal Enclosure:** IP65-rated metal box with lock keeps your system secure and operational in any outdoor condition. - β€’ **Streamlined Solar Connections:** Reduce cable clutter and optimize system efficiency by combining up to 4 PV strings effortlessly. - β€’ **Heavy-Duty 50A Circuit Breaker:** Advanced short-circuit protection controls output, enhancing safety and system longevity. - β€’ **Integrated Surge & Lightning Defense:** Stay worry-free with a built-in SPD that signals when replacement is needed, protecting your investment. ## Overview The 4 String PV Combiner Box by PowGrow is a rugged, metal-encased solar combiner designed for on/off-grid photovoltaic systems. Featuring four 15A fuses, a 50A circuit breaker, and an IP65 waterproof rating, it ensures safe, efficient, and durable solar array management with integrated surge protection and easy maintenance. ## Description Our PV Combiner Box is a PV product designed to reduce the connection line between PV modules and inverter, facilitate maintenance and improve reliability. Using PV Combiner Box, users can connect a certain number of PV modules with the same specifications in series to form a series of PV modules according to the DC voltage range of the inverter input, then connect several series to the PV Combiner Box. ## Features - Professional PV combiner box is suitable for your Photovoltaic On/Off-Grid Solar Power Generation Systems. Which makes your solar panel system work reliably and safety. With multifunction: PV array input with first class combination, Quickly cut off circuit, anti-thunder protection, anti-reverse, overload, etc. - Metal box with a lock. Waterproof class: IP65. Durable metal box makes it much more suitable for outside use and installation. It has a longer lasting time than the PVC plastic solar combiner box. The internal mount plate is also made of metal. - High quality wires. All wires are pre-wired in the box. Our solar combiner box is used professional wires that are especially for solar system. Built-in with a ground wire connector, the ground wire installation is available. Please ensure the current and voltage of single PV array doesn’t exceed 10A/250VDC. Then you can connect solar panel to the combiner box. - Built in with 4pcs individual 15A rated fuse(10x38mm). Max current of single PV input array is 10A. Their function is over load protection. The Combiner Box protects PV solar panel and inverter. Besides it will reduce the length of cable connect from panel to inverter, optimize system instruction makes the system more useful and maintenance. All in all. It will make the PV power system increase output power. - 50A air circuit breaker. It can provide short circuit fault protection and controls the combiner box output. Here is a Surge Protective Device/Lighting Arrester provides lightning protection. The β€œGreen” indicates Normal, once it changes into β€œRed”. Remember to replace the SPD with a new one. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09BT91PHN | | Customer Reviews | 4.5 4.5 out of 5 stars (122) | | Date First Available | 13 August 2023 | | Manufacturer | PowGrow | | Material type | Metal | | Package Dimensions | 35.5 x 33.6 x 16.6 cm; 4.2 kg | | Power source type | Solar-Powered | ## Images ![4 String PV Combiner Box with 15A Rated Current Fuse, Metal Box - Image 1](https://m.media-amazon.com/images/I/61dRMDFDw9L.jpg) ## Questions & Answers **Q: Is this UL rated?** A: No I always call the customer service. **Q: What size wire goes from the combiner strip (at top) to the breakers? #10 = 30 total amps.or #8=55amps. which one?** A: #10 30 AMP Max **Q: Have three strings. I need a 20 amp fuse for one of them, can I replace one of the 15 amp fuses with a 20 amp and keep the remaining fuses 15 amps?** A: For your case, please ensure the three strings' total voltage are close or the same to each other. **Q: My panels have 8.9Amp.Should that be protected by 10Amp fuse?** A: This does not matter. 10Amp and 15 Amp are both can be used. We offered 15Amp. ## Frequently Bought Together - PowGrow PV Combiner Box, 4 String Metal Solar Combiner Box with 15A Rated Current Fuse, Surge Protective Device and 50A Air Circuit Breaker for On/Off Grid Solar Panel System, Pre-Wired Cable - BougeRV Solar Crimper Tool Kit - Crimper, 6 Pairs Connectors, Spanner Wrench for Solar Panel Cable Assembly and Installation - BougeRV 44PCS Solar Connector with Spanners IP67 Waterproof Solar Panel Cable Connectors Male/Female 22Pairs(10AWG) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/567039872-4-string-pv-combiner-box-with-15a-rated-current-fuse](https://www.desertcart.dk/products/567039872-4-string-pv-combiner-box-with-15a-rated-current-fuse) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-09-16*