Basic Specifications
Application
Home, Industrial, Commercial
Transport Package
Standard Export Packing
Product Overview
The 1-24 Strings Combiner Box is an essential component in solar power systems, designed to simplify wiring, ease maintenance, and enhance system reliability. It acts as a bridge between solar panels and inverters for on-grid, off-grid, and solar pump systems.
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Enhanced Safety: Integrated reverse current prevention, over-current, and over-voltage protection to safeguard your solar investment.
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Smart Monitoring: Real-time tracking of running state, current, voltage, and power, including arc and leakage detection.
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Durability: IP65 protection grade makes it suitable for outdoor installations in harsh environments.
Technical Features
- Conform to CGC/GF002:2010 PV Array Junction Box Technical Specifications.
- Supports up to 24 strings; nominal voltage per string 10A (max 15A).
- Total output current up to 250A with a maximum voltage of 1000Vdc.
- Equipped with high-voltage PV lightning arrester and circuit breaker (DC1200V).
- Isolated RS485 port supporting MODBUS-RTU protocol for remote communication.
- Advanced arc detection to prevent fire hazards by automatically cutting off fault circuits.
Detailed Parameters
| Model |
CSPVB/24-1 |
| Electric Parameters |
| System Max DC Voltage |
1000V |
| Max Input Current (Per String) |
15A |
| Max Input Strings |
24 |
| Max Output Switch Current |
360A |
| Lightning Protection |
| Protection Category |
Grade 2 |
| Nominal Discharge Current |
20kA |
| Max Discharge Current |
40kA |
| System & Mechanical |
| Protection Grade |
IP65 |
| Box Material |
Hot galvanized/Stainless/Cold rolled steel |
| Operating Temperature |
-40°C ~ + 85°C |
| Dimensions (WxHxD mm) |
850x500x200 |
Product Gallery
Frequently Asked Questions
What is the primary purpose of a PV combiner box?
The PV combiner box simplifies the connection between solar panels and the inverter, reducing line losses, improving safety through integrated protections, and making system maintenance much easier.
Can this box be used for different types of solar systems?
Yes, it is versatile and designed for use in on-grid solar systems, off-grid solar systems, and solar pump systems.
What kind of environmental protection does the box offer?
The box features an IP65 protection rating, meaning it is dust-tight and protected against water jets, making it ideal for outdoor installation.
Does the unit include lightning protection?
Absolutely. It comes equipped with a high-voltage PV surge protector (arrester) with a maximum discharge current of 40kA to protect against lightning strikes.
How does the monitoring module function?
The optional monitoring module can detect the current of each channel, bus voltage, status of circuit breakers, and internal box temperature, communicating via RS485/MODBUS-RTU.
Is there protection against electrical arcs?
Yes, the box includes real-time harmful arc detection. If an arc is detected, the system will trigger an alarm and trip the circuit to prevent fire disasters.
Ran Solar
