PV Combiner Boxes
China Photovoltaic Lightning Protection Combiner Box 14 in 1 Out – Reliable Suppliers and Factory Solutions
The Solar Array System DC Combiner Box 14 in 1 Out is a crucial component in photovoltaic systems, designed to enhance efficiency and safety. Manufactured in China, this robust combiner box boasts an IP65 protection rating, ensuring excellent waterproofing and dust resistance, making it ideal for challenging outdoor environments. As a trusted supplier, we prioritize performance with advanced lightning protection features, including a built-in lightning protection module that safeguards the system against both direct and induced lightning strikes. This combiner box efficiently converges currents from multiple solar PV modules, significantly reducing the number of connecting wires, minimizing line losses, and optimizing overall system efficiency. Partner with our factory for reliable and high-quality solar solutions that meet your energy needs
PV input: 14 string
DC output: 1 string
Product Introduction
This outdoor photovoltaic combiner box is a high quality choice for photovoltaic systems. It is specially designed for outdoor PV systems.
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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 for PV DC input/output ensure over 20 years of aging-free performance.
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Standard DC surge protection, anti-reverse modules, DC fuses, and DC circuit breakers enhance operational safety.
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Compact design with high IP54 protection rating for worry-free outdoor installation.
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Exposed areas protected by PVC covers for aesthetic appeal and safety.
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Features 260×180×40mm large heat sinks with black oxidation treatment for 20-year color retention, ensuring reliable heat dissipation and extended module lifespan.
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Efficient power collection delivers more stable and reliable energy conversion.
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 for Each 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 | |||
| PV Special Lightning Protection Module | Yes | |||
| Anti-Reverse Module Protection | Optional | |||
| Communication Interface (Optional) | RS485 | |||
| Protection Degree | IP65 | |||
| Environment Temperature | －25～+60℃ | |||
| Environment Humidity | <90% No condensation | |||
| Altitude | ≤3000m | |||
| Installation | Indoor / Outdoor | |||
| Type of Installation | Wall Mount | |||
| Box Material | Iron with Powder Coating | |||
Frequently Asked Questions
Q
What voltage options are available for this PV combiner box?
What voltage options are available for this PV combiner box?
The combiner box supports both 1000Vdc and 1500Vdc maximum PV array voltage, making it compatible with a wide range of photovoltaic system configurations.
Q
How many string inputs does this combiner box support?
How many string inputs does this combiner box support?
The series supports 8–28 string inputs across different models (PVB-12, PVB-14, PVB-16, PVB-18), accommodating medium to large-scale photovoltaic systems within a single cabinet.
Q
Is this combiner box suitable for outdoor installation?
Is this combiner box suitable for outdoor installation?
Yes, the combiner box is designed for both indoor and outdoor installation. It features an IP65 protection rating, powder-coated iron enclosure, and PVC-covered exposed areas, ensuring reliable performance in harsh outdoor environments.
Q
What safety protection features does this unit include?
What safety protection features does this unit include?
The combiner box comes standard with DC surge protection, a PV special lightning protection module, DC fuses, and a DC circuit breaker. An optional anti-reverse module is also available for additional protection.
Q
Does the combiner box support remote monitoring or communication?
Does the combiner box support remote monitoring or communication?
Yes, an optional RS485 communication interface is available, enabling integration with monitoring systems for remote data acquisition and system management.
Q
What is the operating temperature range of this combiner box?
What is the operating temperature range of this combiner box?
The unit operates reliably within an ambient temperature range of –25°C to +60°C, with a humidity tolerance of less than 90% (non-condensing), and is suitable for installations at altitudes up to 3000m.
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