High-Quality Photovoltaic Lightning Protection Combiner Box 14 in 1 out Manufacturers, Suppliers

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High-Quality Photovoltaic Lightning Protection Combiner Box 14 in 1 out Manufacturers, Suppliers

Solar Array system DC combiner box 14 in 1 out is an indispensable equipment in the photovoltaic system. It has IP65 protection level, can effectively waterproof and dustproof, adapt to the complex outdoor environment. Outstanding performance in lightning protection, built-in lightning protection module, can withstand direct lightning and induced lightning impact, to protect the system safety. Its function is to converge the currents from multiple PV modules, reducing the number of connecting wires, lowering line losses and improving system efficiency.Â

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Product Description

Product Introduction

This outdoor photovoltaic (PV) combiner box is a premium solution engineered for high-performance solar systems. It is specifically optimized for outdoor environments, ensuring safe and efficient power aggregation for medium to large scale installations.

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8-28 string inputs accommodate medium to large systems in a single cabinet.

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High-voltage, high-temperature silicone cables ensure over 20 years of aging-free performance.

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Equipped with DC surge protection, anti-reverse modules, DC fuses, and DC circuit breakers.

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Compact design with IP54/IP65 protection rating for reliable outdoor installation.

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Features 260x180x40mm large black oxidized heat sinks for 20-year thermal efficiency.

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Exposed areas protected by PVC covers for enhanced safety and aesthetic appeal.

Outdoor Photovoltaic Combiner Box BPVCB-14-5

Product Parameters

Type Designation	PVB-12	PVB-14	PVB-16	PVB-18
Max. PV Array Input String	12	14	16	18
Max. PV Array Voltage	1000Vdc or 1500Vdc Optional
Rated Current per String (Replaceable)	20A	20A	20A	20A
Rated Output Current	240A	280A	320A	360A
Input cable waterproof connector	PG9 (4mm PV cable)
Output cable waterproof connector	PG21
Output DC Circuit Breaker	Yes
Lightning protection module	Yes
Anti-reverse module protection	Optional
Communication interface	RS485 (Optional)
Protection Degree	IP65
Environment Temperature	-25℃ to +60℃
Environment Humidity	<90% No condensation
Altitude	≤3000m
Installation Environment	Indoor / Outdoor
Type of Installation	Wall mount
Box Material	Iron with powder coating

Frequently Asked Questions

How many solar strings can this combiner box handle?

This series supports between 8 to 28 string inputs, with specific models available for 12, 14, 16, and 18 strings to accommodate different system sizes.

What is the weather protection rating for outdoor use?

The combiner box is designed with a high protection rating of IP65, making it completely suitable for outdoor installation and resistant to dust and water ingress.

What safety components are integrated into the unit?

Safety is prioritized with standard DC surge protection, replaceable DC fuses for each string, anti-reverse modules, and a dedicated DC circuit breaker.

Can it operate in extreme temperature conditions?

Yes, it is designed to operate reliably in temperatures ranging from -25℃ to +60℃ and features large heat sinks with black oxidation treatment for efficient thermal management.

Does the box support remote monitoring?

Yes, an RS485 communication interface is available as an optional feature to allow for system monitoring and data integration.

What is the lifespan of the internal cabling?

The unit utilizes high-voltage, high-temperature silicone cables specifically chosen for PV DC applications to ensure over 20 years of aging-free performance.