---
product_id: 567039872
title: "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"
brand: "powgrow"
price: "5002 DH"
currency: MAD
in_stock: true
url: https://www.desertcart.ma/products/567039872-pv-combiner-box-4-string-metal-solar-combiner-box-15a
store_origin: MA
region: Morocco
---

# 50A Air Circuit Breaker IP65 Waterproof Metal Lockable Box 15A Rated Fuse & Surge Protection 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

**Brand:** powgrow
**Price:** 5002 DH
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Solar Game with Ultimate Safety & Efficiency!

## Quick Answers

- **What is this?** 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 by powgrow
- **How much does it cost?** 5002 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/567039872-pv-combiner-box-4-string-metal-solar-combiner-box-15a)

## 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

- • **Optimized Solar Array Management:** Combines up to 4 strings to streamline your PV system, boosting output and reducing downtime.
- • **Integrated 50A Air Circuit Breaker:** Advanced short-circuit protection ensures your solar system stays safe and operational under fault conditions.
- • **Robust Metal Housing with IP65 Rating:** Durable, weatherproof design built to withstand outdoor solar installations with secure lock for peace of mind.
- • **Multi-Layered Safety with 15A Fuses & SPD:** Overload, reverse polarity, and lightning surge protection keep your investment secure and running smoothly.
- • **Pre-Wired with Premium Solar-Grade Cables:** Simplifies installation and maintenance while optimizing system efficiency and reducing cable clutter.

## Overview

The PowGrow PV Combiner Box is a heavy-duty, IP65-rated metal enclosure designed for on/off-grid solar systems. Featuring a 50A air circuit breaker, four 15A fuses, and a surge protective device, it ensures comprehensive protection and reliable performance. Pre-wired with high-quality solar cables and equipped with a lockable, weatherproof housing, this combiner box simplifies installation, enhances system safety, and maximizes solar power output.

## Description

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

## 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 “Green” indicates Normal, once it changes into “Red”. Remember to replace the SPD with a new one.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 35.5 x 33.6 x 16.6 cm; 4.2 kg |
| Material type | Metal |
| Power source type | Solar-Powered |
| Manufacturer | PowGrow |
| ASIN | B09BT91PHN |

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61dRMDFDw9L.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/71XHIpQE+4L.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/71JpeFRiLOL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/71PWuilc-uL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/71x5qVndkhL.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.

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-26*