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China Solar PV Combiner Box with SPD - Factory Direct Suppliers for Enhanced Lightning Protection and Efficiency
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.
2
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.
4
PV-specific high-voltage lightning protection module for efficient and reliable surge protection.
5
PG cable connector input for convenient and safe wiring connections.
6
PV-specific high-voltage circuit breaker control output ensures stable system operation.
7
Output waterproof terminal design effectively prevents rainwater intrusion.
8
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?
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?
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?
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?
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?
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?
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.