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China Photovoltaic Lightning Protection Combiner Box 14 in 1 Out - Reliable Suppliers and Factory Solutions
Product Introduction
This outdoor photovoltaic combiner box is a high quality choice for photovoltaic systems. It is specially designed for outdoor PV systems.
- 8–28 string inputs accommodate medium to large systems in a single cabinet.
- High-voltage, high-temperature silicone cables for PV DC input/output ensure over 20 years of aging-free performance.
- Standard DC surge protection, anti-reverse modules, DC fuses, and DC circuit breakers enhance operational safety.
- Compact design with high IP54 protection rating for worry-free outdoor installation.
- Exposed areas protected by PVC covers for aesthetic appeal and safety.
- Features 260×180×40mm large heat sinks with black oxidation treatment for 20-year color retention, ensuring reliable heat dissipation and extended module lifespan.
- 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?
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?
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?
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?
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?
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?
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.