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Xiamen Rongmai Electrical Equipment Co., Ltd.

  • China,Xiamen ,Fujian
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China Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution
China Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution

  1. China Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution
  2. China Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution
  3. China Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution

Heavy Duty Outdoor Distribution Panel Assembly PV Circuit Breaker Distribution

  1. MOQ: 100
  2. Price: Negotiable
  3. Get Latest Price
Enclosure Material Choice of UV-resistant PC/ABS
Rated Output Current Total output capacity ranging from 60A up to 400A+
International Standards IEC 62109, IEC 61439-2
Mounting Brackets Heavy-duty wall-mount
Cable Glands Waterproof PG glands
Maximum DC Voltage Supports 500V, 1000V, or 1500V
Input Current per String Typically rated for 15A, 20A, or 30A DC
Payment Terms TT
Brand Name OEM
Place of Origin XiaMem,China

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  2. Company Details

Product Specification

Enclosure Material Choice of UV-resistant PC/ABS Rated Output Current Total output capacity ranging from 60A up to 400A+
International Standards IEC 62109, IEC 61439-2 Mounting Brackets Heavy-duty wall-mount
Cable Glands Waterproof PG glands Maximum DC Voltage Supports 500V, 1000V, or 1500V
Input Current per String Typically rated for 15A, 20A, or 30A DC Payment Terms TT
Brand Name OEM Place of Origin XiaMem,China
High Light Heavy Duty Outdoor Distribution Panel AssemblyPV Outdoor Distribution Panel Assembly
Outdoor Solar Combiner Box Heavy Duty PV Circuit Breaker Distribution Enclosure
Product Overview

Optimize and protect your solar energy harvest with our Heavy-Duty Outdoor Solar Combiner Box. Engineered specifically for residential and commercial Photovoltaic (PV) systems, this enclosure acts as the central hub for merging multiple solar string inputs into a single DC output.

Equipped with industrial-grade circuit breakers and surge protection, this distribution enclosure ensures your inverter and solar panels remain safe from overcurrent, short circuits, and lightning strikes. Built for longevity, it thrives in the most extreme rooftop and field environments.


Technical Specifications
Parameter Specification
Max DC Voltage 500V / 1000V / 1500V Options
Circuit Breaker Type Heavy-Duty DC MCB (Pre-installed)
Surge Protection (SPD) Type II DC Surge Arrester
Enclosure Material Reinforced UV-Stabilized Polycarbonate / ABS
Protection Rating IP65 / IP66 Waterproof & Dustproof
Operating Humidity 0-95% Non-condensing
Compliance TUV, CE, RoHS, ISO9001
Heavy-duty outdoor solar combiner box with circuit breakers and surge protection
Performance Features
Advanced Circuit Protection

Every unit comes pre-fitted with high-voltage DC circuit breakers. These heavy-duty breakers provide reliable thermal-magnetic tripping to protect your PV strings from backflow and overcurrent, significantly reducing the risk of electrical fires.

Specialized PV Surge Arresters

To safeguard your expensive inverter from atmospheric disturbances, our combiner box includes a dedicated DC Surge Protective Device (SPD). It effectively redirects high-voltage surges caused by lightning strikes safely to the ground.

Thermal Management & Durability

Constructed from flame-retardant, high-impact materials, the enclosure is designed to dissipate heat efficiently. It remains structurally sound in temperatures ranging from -25 °C to +60°C, ensuring performance during peak summer solar production.

Plug-and-Play Installation
  • Pre-Wired Internal Layout: Saves up to 50% on installation time
  • Waterproof Cable Glands: High-tension glands ensure a perfect seal around DC cables
  • Transparent Inspection Window: Allows technicians to verify breaker status without opening the main seal, maintaining the internal IP rating

Key Applications
  • Residential Rooftop Solar: Consolidate wiring from multiple panel arrays into a single down-lead
  • Off-Grid Energy Systems: Protect battery charging circuits and solar controllers
  • Commercial Solar Farms: Scalable solution for managing high-current distribution
  • EV Charging Integration: Safe DC management for solar-integrated vehicle charging stations

Safety & Quality Assurance
  • UV Resistance: Tested for 1000+ hours of direct UV exposure to prevent material brittleness
  • Corrosion Proof: Ideal for coastal or high-salinity environments where metal boxes often fail
  • Anti-Theft Design: Features a lockable latch system to protect internal components in public or remote locations

Frequently Asked Questions
Q: How many solar strings can this box handle?
A: We offer configurations ranging from 1-string up to 24-string inputs. Please specify your system requirements when ordering.
Q: Does this box support 1500V systems?
A: Yes, our heavy-duty series includes specialized components rated for 1500V utility-scale solar projects.
Q: Are the internal breakers replaceable?
A: Yes, the box uses standard 35mm DIN rail mounting, allowing for easy replacement or upgrades of breakers and SPDs.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller,Exporter,Trading Company,Distributor/Wholesaler

  • Year Established:

    2017

  • Employee Number:

    100~500

  • Ecer Certification:

    Verified Supplier

Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ... Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...

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Get in touch with us

  • Reach Us
  • Xiamen Rongmai Electrical Equipment Co., Ltd.
  • Unit 501, No. 579 Tonglong 2nd Road, Xiang'an Industrial Zone, Torch High-tech Zone, Xiamen City, Fujian Province, China
  • https://www.rongmaielec.com/

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