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Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
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Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box
Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box

Solar Panel Distribution Junction Boxes PV Array 1-24 String DC Combiner Box

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Product Description

Basic Information
Model NO.
CSPVB
Application
Home, Industrial, Commercial
Specification
Normal, PV
Transport Package
Standard Export Packing
HS Code
8543709990
Production Capacity
1000PCS/Month
Product Description

1-24 Strings PV Array Combiner Box

Our PV combiner box is an essential component for on-grid, off-grid, and solar pump systems. It is designed to decrease connecting lines, simplify maintenance, and optimize system safety between solar panels and inverters.

Core Functions:
  • Reverse current prevention and over-current protection.
  • Advanced over-voltage and lightning protection.
  • Real-time monitoring of running state, current, voltage, and power.
  • Arc detection and leakage detection (optional).
  • Equipped with high-voltage circuit breakers and surge arresters.
Main Features
  • Capacity: Allows up to 24 strings panels; Nominal voltage 10A per string (Max 15A).
  • High Voltage: Total output current up to 250A, maximum voltage 1000Vdc.
  • Protection: High voltage fuse and anti-connection protection for every string.
  • Outdoor Ready: IP65 protection class for durable outdoor installation.
  • Smart Communication: Isolated RS485 port supporting MODBUS-RTU protocol for remote data.
  • Safety Alarm: Built-in arc detection to prevent fire hazards by automatically tripping fault circuits.
Technical Specifications
Electric Parameters (Model: CSPVB/24-1)
System Maximum DC Voltage1000V
Max Input Current (Each String)15A
Max Input Strings24
Max Output Switch Current360A
Lightning Protection CategoryGrade 2 Protection
Nominal Discharge Current20kA
Max Discharge Current40kA
Protection GradeIP65
Operating Temperature-40°C ~ +85°C
Box MaterialHot galvanized steel/Stainless steel/Cold rolled sheet
Dimensions (mm)850 x 500 x 200
Product Gallery
PV Array Combiner Box View 1 PV Array Combiner Box View 2 PV Array Combiner Box View 3 PV Array Combiner Box View 4 PV Array Combiner Box View 5 PV Array Combiner Box View 6
Frequently Asked Questions
What is the primary role of this PV Combiner Box?
The combiner box merges multiple DC inputs from solar strings into a single DC output to the inverter, providing centralized protection and simplifying wiring.
Is this unit suitable for outdoor use?
Yes, the box features an IP65 protection rating, making it water-resistant and dust-proof, perfect for outdoor installations.
What safety protections are integrated?
It includes high-voltage lightning protection (SPD), DC fuses for each string, over-current protection, and arc detection to prevent fire hazards.
Does it support remote monitoring?
Yes, it is equipped with an isolated RS485 port and supports the MODBUS-RTU protocol for remote data communication.
Can it be used for off-grid systems?
Absolutely. This combiner box is compatible with on-grid solar systems, off-grid systems, and even solar-powered pump systems.
What is the maximum voltage capacity?
The unit is designed to handle a maximum system DC voltage of up to 1000V.

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