PV Combiner Boxes
China Solar PV Combiner Box with SPD – Factory Direct Suppliers for Enhanced Lightning Protection and Efficiency
Introducing our high-quality Solar PV Combiner Box with SPD, an essential component for any photovoltaic system. Manufactured in China, this product is designed to meet the highest standards of durability and efficiency. With an IP65 protection level, it is effectively waterproof and dustproof, making it perfect for challenging outdoor environments, Our combiner box features exceptional lightning protection, equipped with a built-in lightning protection module that can withstand both direct and induced lightning strikes, ensuring the safety of your system. By converging currents from multiple PV modules, it significantly reduces the number of connecting wires, minimizes line losses, and boosts overall system efficiency, As a leading factory and reliable supplier in the renewable energy sector, we prioritize quality and innovation in our products. Choose our Solar PV Combiner Box to enhance your solar energy projects today!
Product Introduction
This outdoor photovoltaic combiner box is a high quality choice for photovoltaic systems. It is specially designed for outdoor PV systems, delivering robust performance, enhanced safety, and easy installation across a wide range of environments.
1
The protection grade is up to IP65, which can effectively withstand wind, rain, sand, dust, and other harsh environments.
The protection grade is up to IP65, which can effectively withstand wind, rain, sand, dust, and other harsh environments.
2
Each PV array is equipped with DC fuse protection, plus optional anti-reverse connection protection for double system safety.
Each PV array is equipped with DC fuse protection, plus optional anti-reverse connection protection for double system safety.
3
Wide DC voltage input range with a maximum open-circuit voltage of 1000V, suitable for a variety of application scenarios.
Wide DC voltage input range with a maximum open-circuit voltage of 1000V, suitable for a variety of application scenarios.
4
PV-specific high-voltage lightning protection module for efficient and reliable surge protection.
PV-specific high-voltage lightning protection module for efficient and reliable surge protection.
5
PG cable connector input for convenient and safe wiring connections.
PG cable connector input for convenient and safe wiring connections.
6
PV-specific high-voltage circuit breaker control output ensures stable system operation.
PV-specific high-voltage circuit breaker control output ensures stable system operation.
7
Output waterproof terminal design effectively prevents rainwater intrusion.
Output waterproof terminal design effectively prevents rainwater intrusion.
8
Wall-mounted design allows easy installation and quick integration into various photovoltaic projects.
Wall-mounted design allows easy installation and quick integration into various photovoltaic projects.
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) | 10A / 15A | 10A / 15A | 10A / 15A | 10A / 15A |
| Rated Output Current | 120A / 180A | 140A / 210A | 160A / 240A | 180A / 270A |
| 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 is the IP protection rating of this outdoor PV combiner box?
What is the IP protection rating of this outdoor PV combiner box?
This combiner box carries an IP65 protection rating, meaning it is fully dust-tight and protected against water jets from any direction. This makes it well-suited for outdoor photovoltaic installations exposed to harsh weather conditions including rain, wind, and sand.
Q
What is the maximum input voltage supported by this combiner box?
What is the maximum input voltage supported by this combiner box?
The combiner box supports a maximum open-circuit PV array voltage of 1000Vdc or 1500Vdc (optional), making it compatible with a wide range of photovoltaic system configurations and panel types.
Q
How many PV input strings can this combiner box accommodate?
How many PV input strings can this combiner box accommodate?
The product is available in four models: PVB-12, PVB-14, PVB-16, and PVB-18, supporting a maximum of 12, 14, 16, and 18 PV array input strings respectively. Each string is individually protected by a replaceable DC fuse rated at 10A or 15A.
Q
Does this combiner box include lightning protection?
Does this combiner box include lightning protection?
Yes. The combiner box is equipped with a PV-specific high-voltage lightning protection module as a standard feature, providing effective surge protection and safeguarding the connected PV system components against lightning-induced voltage spikes.
Q
Is remote monitoring or communication supported?
Is remote monitoring or communication supported?
Yes, an optional RS485 communication interface is available, enabling integration with monitoring systems for real-time data acquisition and remote management of the photovoltaic combiner box.
Q
What are the installation requirements for this combiner box?
What are the installation requirements for this combiner box?
The combiner box features a wall-mount installation design and is suitable for both indoor and outdoor use. It can operate in temperatures ranging from −25°C to +60°C and at altitudes up to 3000m, making it adaptable to a wide variety of geographic and environmental conditions.
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