Description
xSolar Panel Combiner Box 4-In 4-Out – 1000V DC with Surge & Overcurrent Protection
Essential Safety for Your Solar PV System
Protect your solar installation and ensure the safety of both your equipment and installers with our pre-wired 4-way PV Combiner Box. Designed for professional and residential use, this enclosure combines high-voltage DC protection, surge protection, and overcurrent safeguards in one compact, weatherproof unit. Perfect for hybrid, off-grid and grid-tied systems.
Key Features
- Safe Power Consolidation: Combines up to 4 solar panel strings into one output, simplifying wiring and reducing cable clutter.
- Integrated 1000V DC Breaker: Quickly disconnects power during maintenance or emergencies.
- Surge Protection: Built-in SPD (Surge Protection Device) shields your system from lightning and voltage spikes.
- Overcurrent Protection: Each input string is independently fused to prevent overload and minimise fire risk.
- LED Status Indicators: Instantly identify faulty strings with visible LED fault indicators.
- Weatherproof Construction: IP65-rated enclosure suitable for outdoor or indoor installation in all climates.
- Installer-Friendly Design: Safe and convenient checkpoint for voltage testing, current measurement and isolation.
Technical Specifications
| Model | BHS-4/4 |
| Inputs / Outputs | 4 Inputs / 4 Outputs |
| Maximum Voltage | 1000V DC |
| Maximum Breaker Voltage | 1200V DC (63A each) |
| Fuse Rating | 20A per input string |
| Surge Protection | Integrated SPD 1000V |
| LED Indicators | Fault indication per string |
| Enclosure Size | 400 x 500 x 200 mm |
| Material | UV-resistant plastic with metallic hinges & waterproof seal |
| Mounting | Indoor / Outdoor (IP65 Weatherproof) |
| Compatible Systems | Hybrid, Off-Grid and Grid-Tied Inverters |
Package Includes
- 1 x Pre-wired 4-In / 4-Out PV Combiner Box
- Built-in 1000V DC Isolator & SPD
- Fuses Installed per Input String
- LED Indicators for Fault Detection
Applications & Compatibility
- Supports 4 MPPT Inputs or 2 Inverters with dual MPPT inputs each.
- Can also be used with 4 independent inverters with one MPPT per inverter.
- Ideal for medium-scale solar PV systems and multi-string installations.
Why Use a Solar Combiner Box?
A solar photovoltaic combiner box is a crucial safety component in every PV system. It consolidates multiple solar strings into one output, simplifies wiring, and protects both the panels and the inverter from electrical faults. By housing breakers, surge arresters, and fuses in one enclosure, it ensures safe operation, easy maintenance, and system longevity.
If a fuse blows, the LED indicator lights up to help installers locate the problem quickly. This makes fault detection fast and safe, even in large solar installations. Built to last, the weatherproof enclosure can withstand outdoor conditions, ensuring reliable long-term performance.
Make your PV system safer, easier to maintain, and better protected — choose the Voltacon 4-Way Combiner Box for professional-grade solar protection.
Return Policy
xWe offer a 14-day, no-quibble returns or replacement policy because we want you to be totally satisfied with your purchase.
If you are unhappy in any way with your purchase, you can return it for a refund or a replacement, as long as you return it in the same condition as it arrived (original/undamaged packaging and product) and within 30 days of receiving it. We will pay for your return postage on a faulty item as long as you send it using Royal Mail 2nd class recorded delivery (for EU or International Shipments, you have to use our UPS account, we will provide you with a return label)
Please keep in mind the following:
- Non-faulty items returned after 14 days and/or not in their original, undamaged packaging can only be exchanged for store credit - 15% off the items returned.
- Items returned within 14 days but not in their original and undamaged packaging will also incur a -15% charge per package.
- If you return an item that doesn't adhere to our returns procedure or doesn't include a returns form, you may be liable for a £10 administration fee
- Individual items from a bundle can't be returned, refunded or exchanged. If you want a refund/credit/exchange for a bundle, all items must be returned to us.
Before you return your item, please make sure that:
- You follow our returns process (outlined below)
- The goods and packaging are undamaged
IMPORTANT: We need to be able to identify an item with your order. We can only do this if you follow our returns process. Please do not send us items back that do not follow this process as they cannot be identified properly and will not be replaced or refunded.
What delivery method do I need to use when returning an item?
You must send the goods back to us via Royal Mail 2nd class recorded delivery. Refunds on faulty items returned are reimbursed within 5 working days.
Can I return just one item from multiple purchases?
Yes. Once you start the returns process you will go to a page that will allow you to choose which items you want to be replaced or refunded.
Returning faulty goods
If your item is faulty, you need to follow the returns policy, where you will be able to state that it’s faulty. The product will then arrive at our warehouse for testing.
If your purchase is not within 14 days
You can still exchange your item for a different product or for credit to use on the Voltacon Solar or Ledison-led-lights.co.uk websites (-15% from the credit amount).
Returns outside of the 14-day period do not qualify for the free returns policy.
Returning an item within the warranty
If you have a warranty and want to return a faulty item, you just need to follow our standard returns process. When we receive your item, we will then check that it’s within warranty and for any faults before arranging a replacement.