High-Performance PV Combiner Box for Solar Power Systems

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High-Performance PV Combiner Box for Solar Power Systems

The PV Combiner Box is a critical component in any large-scale or residential photovoltaic system. It streamlines the connection between multiple solar strings and the inverter, providing centralized DC distribution and enhanced circuit protection for maximum system reliability.

Key Advantages

  • Centralized String Management | Simplified Wiring Integrates multiple solar inputs into a single output, significantly reducing cable complexity and labor costs during photovoltaic system installation.
  • Advanced Safety Protection | System Security Designed to house essential surge protection devices (SPD) and DC fuses, shielding your solar investment from lightning strikes and overcurrent.
  • Durable Wall-Mount Design | Robust Build Features a heavy-duty metal enclosure with a secure latching system, offering excellent impact resistance and space-saving wall-mount installation.
  • Thermal Management | Optimized Airflow The internal layout is engineered to prevent heat buildup, ensuring stable performance of electrical components even in high-temperature solar farm environments.

Applications

  • Grid-Tied Solar Power Plants
  • Off-Grid Solar Energy Storage
  • Commercial Rooftop Photovoltaic Projects
  • Residential Solar Panel Installations
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Specification

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Product Name: PV Combiner Box / Solar Junction Box
Installation Type: Wall-Mounted (External mounting ears included)
Material: Heavy-duty cold-rolled steel or galvanized steel
Surface Finish: Weather-resistant electrostatic powder coating (White/Grey)
Access Type: Single-door with high-quality hinges and security latches
Cable Entry: Multiple pre-punched circular knockouts for easy routing
Protection Level: IP65 / IP66 (Dust-tight and protected against water jets)

Reference dimensions; customizable upon request
Height(mm) Length(mm) Depth(mm) Thickness(mm)
250 300 140 0.5—2.0
300 400 160
300 400 200
400 500 160
400 500 200
400 500 250
400 600 200
500 600 200
500 600 250
500 800 200
500 700 200
600 700 200
600 800 200
600 800 250
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800 1000 250

Wenzhou Fanneng Electric Co., Ltd.

Wenzhou Fanneng Electric Co., Ltd. specializes in the professional production and processing of a wide range of products, including AE Rittal cabinets, complete distribution cabinets, charging boxes, power cabinets, foundation boxes, and distribution boxes. With rigorous production processes and a scientific quality management system as our cornerstone, we ensure that every product meets high quality standards. We are committed to providing customers with safe, reliable, and efficient electrical solutions, and can customize our products to your requirements.

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