550VDC 1000VDC Junction Box Waterproof Distribution Solar DC PV Combiner Box

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Product Description

📋 Basic Information
Model NO.
FX1029
Certification
ISO9001:2000, VDE, CCC
Form
Partly-welded Type
Operation Voltage
Low Voltage
Size
3 Unit
Application Range
High-rise Buildings
Shell Material
Stainless Steel
Protection Grade
IP56
Transport Package
Standard Export Packing
Specification
8 ways
Production Capacity
500/Month
🛡️ Product Description
PV junction box 2 4 6 8 12 24 IN 1 OUT 2-24 Strings IP65 PV array Combiner Box. In the solar photovoltaic power generation system, in order to reduce the incoming line of solar photovoltaic cell array and inverter inspection, improve the reliability of the system, and facilitate the installation and maintenance of the system, it is generally necessary to add DC collector-shoe gear-PV combiner box.
Users can connect a certain amount of photovoltaic cells with the same specification in series, form PV serials one by one, then connect several PV serials into PV combiner anti-thunder box. The output is then directed via lightning protector and circuit breaker to the PV inverter.
⚙️ Performance Characteristics
  • 1/2/4/6/8/10/12/16/24-way PV array Parallel input
  • PV special use DC fuse for both positive and negative electrodes
  • Wide DC voltage input up to 1000VDC
  • Anti-reverse connection module protection
  • High-quality lightning protection modules
  • IP65 protection degree for outdoor installation
  • Wall-mounted type for easy maintenance
📊 Technical Parameters
Input/Output
Input: 1-30 way, Output: 1-5 way
Voltage Class
DC500 / 1000V / Optional
Protection
IP65 / IP66
Working Temp.
-80~60°C
Elevation
<=5500mm
Part Number Description
1Negative convergence copper busbar
2Detection unit
3DC MCB
4Dc positive Convergence output
5Dc negative Convergence output
6RS485 communication terminal (output point)
7Ground output point
8Lightning protection device
9Positive convergence copper
10DC positive fuse holder and fuse (up to 16 way)
11DC negative fuse holder and fuse (up to 16 road)
📐 Specification & Dimensions
Specification Width(A) mm Height(B) mm Depth(C) mm
18 way645550205
14, 16 way610550205
10, 12 way530550205
6, 8 way460550205
2, 4 way390550205
📸 Product Gallery
Frequently Asked Questions
What is the main purpose of a PV combiner box?
It is used to simplify the wiring between solar modules and inverters, providing centralized protection including over-current, over-voltage, and lightning protection.
What is the protection level for outdoor use?
This unit features an IP65/IP66 protection grade, making it fully dust-tight and protected against water jets, suitable for outdoor installation.
Can the number of input ways be customized?
Yes, the input can be customized from 1 to 30 ways, and output from 1 to 5 ways depending on your system requirements.
What is the maximum DC voltage supported?
The combiner box supports wide DC voltage inputs, reaching up to 1000VDC to accommodate various solar array configurations.
Does the box include safety fuses?
Yes, it is equipped with special DC fuses for both positive and negative electrodes to ensure the safety of the back-end devices.
Is it easy to install on a wall?
Absolutely. The product is designed as a wall-mounted type, which simplifies installation and facilitates future maintenance and inspection.

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