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Solar PV Combiner Box Lightning Protection & Multi-Circuit Residential & Commercial Systems

  • GX solar pv combiner box

  • BSUMWELL/ OEM

  • $30.62-$166.67

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Our solar pv combiner box (600V-1000V) supports 1-6 inputs/1-4 outputs, integrating lightning protection, circuit breakers, and IP65 protection. Ideal for solar panels in residential and commercial systems, ensuring safe, efficient power distribution.
 

1. Core Selling Points

  • Comprehensive Safety Protection: Equipped with 2P 40kA surge lightning protectors (national standard) and 600V DC 2P 63A circuit breakers, paired with 10x38mm pull-out fuses (default 15A, customizable), effectively preventing short circuits and overvoltage damage—critical for reliable solar panel combiner box performance.

  • Wide Compatibility: Supports 600V-1000V DC systems with 1-6 inputs and 1-4 outputs, compatible with both crystalline silicon and thin-film solar panels. 1000V DC 30A panel connectors (2 sets) simplify wiring for diverse setups.

  • Durable & Reliable: Features an ABS bottom box + PC translucent door, achieving IP65 protection—resistant to dust, water, and corrosion, suitable for harsh environments.

  • Easy Installation & Maintenance: Wall-mounted design with clear labeling; pull-out fuses allow quick replacement without powering off, reducing downtime for solar combiner box wiring.

2. Product Specifications

  • Voltage range: 600V-1000V DC

  • Input/output: 1-6 inputs, 1-4 outputs

  • Protection: 2P 40kA surge protector, 63A 2P circuit breaker, 15A fuses (customizable)

  • Connectors: 1000V DC 30A panel connectors (2 sets)

  • Housing: ABS bottom box + PC translucent door, IP65 rating

  • Installation: Wall-mounted

3. Application Scenarios

  • Residential Rooftop PV: Perfect for home solar systems (5-20kW), with multi-input design to connect panels facing different directions.

  • Commercial Rooftop Projects: Ideal for 100-500kW systems in malls, factories, etc., supporting large-scale 1-6 string combinations.

  • Off-Grid & Mobile Systems: Suitable for RVs, remote areas, and 离网 setups, thanks to compact size and IP65 protection.

4. Custom Solutions

Need specific configurations? We offer customizable fuses (ampere ratings), input/output ports, and labeling to match your project—contact our team for tailored solar combination box solutions.

5. FAQs

Q1: What is the function of a solar pv combiner box?
A: It combines multiple solar panel strings into one circuit, protects against surges/short circuits, and simplifies wiring for efficient power distribution.


Q2: How to choose the right combiner box for solar panels?
A: Consider voltage (600V/1000V), input/output needs, and protection features (IP rating, surge capacity)—our 600V-1000V model fits most residential/commercial setups.


Q3: Is the solar panel combiner box easy to install?
A: Yes—wall-mounted design with pre-wired terminals and a wiring diagram, suitable for both professionals and experienced DIY users.


Q4: Can it work in harsh environments?
A: Absolutely. IP65 rating and corrosion-resistant materials (ABS+PC) ensure durability in rain, dust, or high humidity.


Q5: How to replace fuses in the combiner box?
A: Use the pull-out fuse holder—no need to power off the system, making maintenance quick and safe.


Model Length (cm) Width (cm) Height (cm) Volume (cm³) Weight (g)
DC600V-1 input and 1 output 28 28 19 14896 2000
DC1000V-1 input and 1 output 28 28 19 14896 2000
DC600V-2 input and 1 output 28 28 19 14896 2000
DC1000V-2 inputs and 1 output 37 31 16 18352 2000
DC600V-2 input and 2 output 37 31 16 18352 2000
DC1000V-2 inputs and 2 outputs 34 43 18 26316 2000
DC1000V-3 inputs and 1 output 33 31 16 16368 2000
DC600V-3 input and 3 output 37 31 16 18352 2000
DC600V-4 input and 1 output 37 31 16 18352 2000
DC1000V-4 inputs and 1 output 37 31 16 18352 2000
DC600V-4 input and 2 output 52 42 22 48048 2000
DC1000V-4 inputs and 2 outputs 52 42 22 48048 2000
DC600V-4 input and 4 output 52 42 22 48048 2000
DC600V-5 input and 1 output 52 42 22 48048 2000
DC600V-6 input and 1 output 52 42 22 48048 2000
DC1000V-6 input and 2 output 52 42 22 48048 2000

Photovoltaic (PV) Lightning Protection DC Combiner Box/Solar Power Distribution Box1-in ~ 6-in, 1-out ~ 4-out, 600V~1000V PV DC Combiner Box circuit breaker, pull-out fuse, with ground wire, combination combiner box1000V DC fuse holder (capable of installing 10x38mm fuse bases *4 + fuse cores *4)Default 15A fuse (ampere rating can be changed by contacting customer service)Ground wire ABS bottom box + PC translucent door600V DC 2P circuit breaker switch (63A)600V DC 2P surge lightning protection device (2P, 40kA)

bsw


About Shenzhen Posher Electric

Your Trusted Partner in Waterproof & Smart Electrical Solutions Since 2006

At Shenzhen Posher Electric, we engineer reliable, code-compliant electrical systems trusted by contractors, industrial facilities, and smart homeowners across 30+ countries in Europe and North America.


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             BSUMWELL - SHENZHEN POSHER ELECTRIC CO.,LTD

             温州办公室


Why Choose Us?

✅ 19 Years of Expertise: Specializing in waterproof enclosures and smart home automation for extreme environments.
✅ Global Certifications: Products meet UL, CE, RoHS, IP65/IP68 standards – proven in marine, industrial, and outdoor settings.
✅ Tailored Solutions: Customize designs, branding, and packaging through OEM/ODM services.
✅ Fast Delivery: 15-day production lead time, 5-7 day global shipping via DHL/FedEx.





Power distribution room 

             Auxiliary production area

            Core production area 

Production Workshop


Core Product Technologies

1. Waterproof Electrical Systems

  • Industrial-Grade Enclosures: Stainless steel/aluminum/ABS junction boxes with anti-corrosion coatings.

  • Safe Connectivity: IP68-rated industrial plugs, connectors, and cable glands for wet/dusty environments.

2. Smart Home & IoT Ecosystem

  • Seamless Control: WiFi switches, cameras, sensors, and GPS trackers compatible with Alexa/Google Home.

  • Security Focused: EN 16361-certified smart door locks with military-grade encryption.


Finished goods warehouse           

Outbound confirmation room             

Product testing room             

Testing workshop            


Who We Serve

  •  Contractors: Bulk pricing on UL-listed enclosures for commercial projects.

  •  Industries: Oil & gas, marine, telecom – corrosion-proof solutions since 2006.

  •  Smart Home Brands: White-label our IoT devices to expand your product line.

[Download Product Catalog] [Request Custom Quote]


Quality Assurance

  • ️ 18-Month Warranty: Free replacements for any product quality issues.

  •  Rigorous Testing: Salt spray, UV aging, 10,000-cycle durability tests.

  •  Eco-Friendly: REACH-compliant materials, recyclable packaging.



Operating equipment 2 

             Operating equipment

             The goods are packed out of the container

Production related 







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Q1. Can I request samples of waterproof aluminum enclosures before bulk ordering?
A: Absolutely. We encourage sample orders for quality validation and even accept mixed samples. While standard samples are provided free of charge for qualified clients, custom samples may incur a nominal fee that will be credited toward future orders.


Q2. What is your production lead time?
A: Our streamlined process ensures:

  • Samples: 3-5 working days (expedited service available)

  • Mass production: 1-2 weeks for orders exceeding 1,000 units
    Note: Lead times may vary for complex customization projects.


Q3. Is there a minimum order quantity (MOQ) for waterproof enclosures?
A: We prioritize flexibility for our partners:

  • Sampling: MOQ 1 unit for quality verification

  • Bulk orders: Competitive MOQ starting at 500 units, with tiered pricing for volume orders


Q4. What shipping methods do you offer for international orders?
A: We provide end-to-end logistics solutions:

  • Express: DHL/UPS/FedEx (3-5 days, door-to-door tracking)

  • Air freight: 5-7 days for urgent bulk shipments

  • Sea freight: Economical option for full-container loads (FCL)
    Customs clearance support included for all shipments.


Q5. What is the standard ordering process?
A: Our 5-step streamlined workflow:

  1. Technical consultation (application scenarios/IP rating requirements)

  2. DFM analysis & formal quotation

  3. Sample approval & 30% deposit payment

  4. Production with weekly progress reports

  5. Final inspection & balance payment


Q6. Can you apply custom branding to the products?
A: Yes, we offer value-added OEM services:

  • Logo engraving/pad printing (provide vector files in .ai/.eps format)

  • Custom packaging solutions
    Design proof must be approved 72hrs before production commencement.


Q7. What quality assurance do you provide?
A: Our commitment includes:

  • Product warranty: 2-year limited warranty (extendable)

  • Certifications: IP68/IP69K compliant, RoHS & REACH certified

  • Testing reports: Third-party lab reports available upon request


Q8. How are quality issues handled?
A: Our zero-defect protocol ensures:

  1. Prevention: ISO 9001:2015 certified production with automated optical inspection

  2. Resolution:

    • Single-unit defects: Replacement within 48hrs (NCR report provided)

    • Batch issues: Full root-cause analysis + 3 resolution proposals within 72hrs

    • Critical defects: On-site technical support available


Need More Details?
Contact our sales team at [
Sales@bsumwell.com] for project-specific consultation.




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A430, Gaosheng Building, 18 Center Road, Xinqiao Street, Baoan, Shenzhen, China
Tel:+86 755-23576797 
 
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A430, Gaosheng Building, 18 Center Road, Xinqiao Street, Baoan, Shenzhen, China
Tel:+86 755-23576797 
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