BENY Customized 600V 1000v 1500v 1/2/3/4/ in 1/2/3/4/ OUT 1 String to 36 String IP65 DC AC Solar Combiner Box Solar String Box

Product Description

Why Choose Us
With 30+ years experience of working in the electrical industry, we offer a full range of solar PV combiner boxes for residential, commercial, and utility-scale renewable energy projects.
With over 10 production lines, we produce over 200w annually and receive orders at any volume. We also carry out quality testing that determines the durability of our combiner boxes under extreme conditions. Talk with us today for fast development and negotiable prices.
WE PROVIDE COMPREHENSIVE & PROFESSIONAL SERVICE
Consulting & Designing

We have a professional team that can assist you in knowing your particular solar panel combination box requirements. You can expect that we are here to support and guide you in every custom combiner box manufacturing stage, starting from designing up to laying the materials and costing.

Quality Control

Each of our PV combiner boxes is checked thoroughly to ensure that we only deliver IP-rated string combiner boxes. This means that our custom electrical enclosures are waterproof, dustproof, and can even resist corrosion that harsh weather conditions can cause.

Engineering & Assembly

Our custom combiner box solutions are tailored-fit to provide output with efficiency and speed. Our company utilizes the latest tools to automate our manufacturing process. This is why we are outstanding in terms of production speed, aiming to fulfill bulk orders while ensuring the function and quality of our PV protection products.

5-Year Warranty

What’s more interesting, we offer a 5-year warranty service to your solar combination boxes. Just reach us through our technical support hotline that is available 24/7.

CUSTOMIZATION OPTIONS
WHAT CAN YOU CUSTOMIZE FOR A COMBINER BOX

A solar combiner box is an electrical enclosure where multiple Solar circuit components are housed. We offer custom solar combiner boxes to ensure that our clients’ preferences are met. We provide custom features that introduce the general inverter requirements, including your logo, box measurement, components, DC inputs and outputs, and chosen over-voltage protection degree. Send us your requirements.

Solar Combiner Box Features
WHY CHOOSE OUR SOLAR COMBINER BOX
  • 1
    Grade IP 65/66
    Waterproof, dustproof and anti-corrosion, resisting harsh conditions for long-term and uninterrupted use.
  • 2
    PV Solar String Current Aggregation
    We offer multiple strings input up to 24 solar strings, with a maximum of 30 A per string.
  • 3
    Effective Isolating
    Series Isolator Switches with a max voltage up to 1500V DC widely meet various demands from PV power systems.
  • 4
    Lightning Protection
    We install a pluggable BU-40/3 Surge protector device, providing lightning protection for your PV power system.
  • 5
    Over-current Protection
    A BR-30 touch-safe fuse with LED indicator light offers over-current protection for stable performance.
  • 6
    Short-Circuit Protection
    BD and BB1 series circuit breakers provide short-circuit protection, preventing damages and accidents.
Residential Rooftop Combiner Box

As one of the trusted solar combiner box manufacturers, we are committed to delivering safe, efficient solutions for home rooftops. Featuring robust, weather-resistant construction and easy installation, our combiner boxes seamlessly integrate into existing setups, engineered to protect your investment in all conditions.

DC Isolator Box
DC Isolator Box
  • IP65
  • 600V/800V/1000V/1200V
  • Input: 1 to 6 strings
  • Output: 1 to 3 strings
  • Input current of each string: 15A to 30A
  • Output current: 16A to 63A
  • 3ms arc suppression
  • Lockable at off position
  • Fuses for over-current protection (BHS-3 only)
Door Clutch DC Box
Door Clutch DC Box
  • IP65
  • 600V / 1000V
  • Input: 1 to 4 strings
  • Output: 1 to 4 strings
  • Input current of each string: 15A to 30A
  • Output current: 32A/50A/60A
DC AC Combiner Box
DC AC Combiner Box
  • IP65
  • DC600V/1000V, AC230V/400V
  • Input: 1 to 2 strings
  • Output: 1 to 2 strings
  • Input current of each string: DC 0 to 30A, AC 0 to 63A
  • Output current: DC 0 to 30A, AC 0 to 63A
  • Over-voltage and over-load protection for solar DC side
  • AC breaker and AC surge arrester at AC side
AC Distribution Box
AC Distribution Box
  • IP65
  • AC230V/400V
  • Input: 1 strings
  • Output: 1 to 3 strings
  • Input current of each string: 0 to 63A
  • Output current: 0 to 63A
Commercial and Industrial Combiner Box

We provide versatile, cost-effective combiner box solutions tailored for commercial and industrial applications. Our products adapt to various system capacities and wiring preferences, accommodating up to 24 sub-array inputs. Each box is tested to exceed industry standards, guaranteeing reliability and safety for business operations.

AFCI Solar Combiner Box
AFCI Solar Combiner Box
  • IP65
  • 600V/1000V/1500V
  • Input: 1 to 20 strings
  • Output: 1 string
  • Input current of each string: 15A/20A
  • Output current: 20A/150A/250A/400A
  • All DC components are UL listed
  • DC contactors up to 300A
  • Finger safe touch fuse holder for negative and positive poles
AC Combiner Box
AC Combiner Box
  • IP65
  • 230V/400V/480V/690V/800V
  • Input: 1 to 4 strings
  • Output: 1 string
  • Input current of each string: 0 to 1600A
  • Output current: 125A/160A/250A
  • 3 phase inverter protection
  • AC breaker or NH00 fuse switch for option
  • Type 2 AC SPD for protection
Utility Scale Combiner Box
DC Combiner Box Utility Scale
DC Combiner Box

Our PV combiner boxes are designed for large-scale systems, offering excellent current aggregation and superior heat dissipation to easily meet high-power photovoltaic array demands. The high protection grade enclosure and multiple electrical and lightning protections ensure comprehensive safety assurance even in harsh environments.

Full Range of Combiner Boxes:
600V DC Combiner Box
600V DC COMBINER BOX

With one or two true solar DC disconnect switches and type 2 surge arrestors, our combiners prevent over-voltage and ensure consistent functionality for specified solar PV systems.

DC Isolator Box
DC ISOLATOR BOX

IP65 PC enclosure with two or more isolators build-in, for the solar system which requires multiple strings and isolators.

1000V DC Combiner Box
1000V DC COMBINER BOX

Designed with different numbers of strings inputs and string outputs, our combiners are equipped with the latest DC-PV2 disconnect switch for added protection from over current.

1500V DC Combiner Box
1500V DC COMBINER BOX

A compact and affordable solution, our 1500V DC combiners have 2P fuse holders and other disconnect components that guarantee full over-current and over-voltage protection.

AFCI Solar Combiner Box
AFCI SOLAR COMBINER BOX

Our AFCI solar combiners detect wide ranges of electrical arc faults to keep power systems from igniting, improving action responses against fires.

DC+AC Combiner Box
DC+AC COMBINER BOX

Our DC+AC combiner boxes come with over-voltage and over-current protection for solar DC sides, and RCBO and AC SPD for AC side protection.

AC Combiner Box
AC COMBINER BOX

Each AC combiner comes with AC MCCB build-in for AC inputs and type 2 AC SPD for over-voltage protection.

AC Distribution Box
AC DISTRIBUTION BOX

Our distribution boxes reduce system connection cable length and provide great switching isolation.

Modular Enclosure
MODULAR ENCLOSURE

Made of high thermal stability plastic, our modular enclosures possess UV resistance and flame retardance, working at operating temperatures from -25 to 100 degrees.

Partner with Us for Safe, Efficient, and Scalable Solar
Maximize Rooftop Fire Safety with Custom Solar Combiner Box
  • Enclosure design precisely matched to your specifications.
  • Class I or II overvoltage protection.
  • Multi-MPPT options for optimal system design.
  • Voltage levels and IP grades to suit any environment.
  • Personalization with your logo and packaging.
  • Our combiner boxes are fully customizable, with varying DC inputs/outputs plus advanced options like DC disconnect, circuit breakers, SPDs, and fuse holders.
Custom Combiner Box Diagram
Advanced Protection Features
Safeguard Your Solar: Advanced Protection Features
  • IP65/66 Certified: Waterproof, dustproof, anti-corrosion for long-term performance in harsh environments.
  • Lightning Protection: Pluggable BU-40/3 surge protector safeguards your PV system.
  • Over-current Protection: BR-30 touch-safe fuse with LED indicator for reliable system stability.
  • Short-Circuit Protection: BD/BB1 circuit breakers prevent damage and ensure safety.
Maximize Solar Efficiency
  • String Aggregation: Supports up to 24 solar strings (30A max) for large-scale systems.
  • Effective Isolation: Isolator switches handle up to 1500V DC for wide PV system compatibility.
  • Top-Tier Components: Includes DC disconnects, surge arresters and fuse holders, PV combiner box components from leading brands for enhanced reliability.
  • Quality Construction: Larger enclosures for better cooling, flame retardant & UV-resistant materials (IP66 rated).
Solar Efficiency Components
High Capacity Production
High-Capacity Production, Uncompromising Quality
  • Capacity: 10+ production lines for 200w+ annual output, fulfilling orders of any size.
  • Quality Testing: Rigorous checks ensure durability in extreme environments.
  • Consulting & Design: Expert team guides you through custom design, material selection, and costing.
  • Quality Control: IP-rated, waterproof, dustproof, and corrosion-resistant combiner boxes guaranteed.
  • Engineering & Assembly: Automated tools for fast, high-quality production, even for bulk orders.
  • 5-Year warranty: Reliability backed by 24/7 technical support.
Company Profile
Quality Certificates
Exhibition
Global Exhibitions
Frequently Asked Questions
What protection features do your solar combiner boxes offer?
Our combiner boxes are designed with comprehensive safety features including IP65/66 waterproof and dustproof ratings, lightning surge protection (via pluggable BU-40/3 devices), over-current protection with touch-safe fuses, and short-circuit protection via advanced DC circuit breakers.
Can I customize my solar combiner box specifications?
Yes, we provide full customization options to suit your project requirements. You can customize the physical measurements of the box, components, DC inputs/outputs, voltage levels (up to 1500V), over-voltage protection degrees, and packaging.
What is the difference between your residential and commercial combiner boxes?
Residential combiner boxes are designed for smaller setups, featuring quick installation and streamlined configurations (1 to 6 strings). Commercial and industrial combiner boxes are scaled for larger inputs (up to 24 strings) and offer advanced features like AFCI protection and higher capacity DC/AC components.
What certifications and materials do you use for your modular enclosures?
Our modular enclosures are made of high thermal stability plastic, featuring UV resistance and flame retardance. They are designed to operate reliably in temperatures ranging from -25°C to 100°C and maintain high IP-ratings for harsh environmental conditions.
What kind of warranty and technical support do you provide?
We offer a robust 5-year warranty service for our solar combiner boxes. Additionally, we provide 24/7 technical support hotlines to assist with engineering, assembly, or troubleshooting at any stage.
What is the annual production capacity of your manufacturing facility?
With over 10 automated production lines, we have a production capacity exceeding 200W+ annually, enabling us to handle bulk commercial orders and deliver products with high speed and consistent quality.

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