Product Description
Technical Specification:
| Type Designation | PVB-3/1 |
| DC Input |
| DC input strings | 3 strings |
| Max. allowable input voltage | 1000V |
| Each string rated input current | 6-10A |
| Each string input Max current | 10A fuse |
| DC Output |
| DC output strings | 1 string |
| DC rated output current | 24-30A |
| Output DC Circuit Breaker | 32A |
| Other parameters |
| Lighting protection | Yes |
| Input fuse protection | Yes |
| Protection Class | IP65 |
| Output Terminal Type | PG21 Cable Glands |
| Box material | IP65 ABS plastic box |
| Environment Temperature | -25~+60oC |
| Environment Humidity | <90% No condensation |
| Installation:indoors/outdoors | Indoor (can also use for outdoor, could install behind the solar panel, to avoid directly rain or sunlight can prolong service life ) |
Comprehensive Protection and DurabilityEngineered with safety in mind, this combiner box features surge, fire, UV, and overcurrent protection. The IP65-rated enclosure ensures that internal components are shielded from dust and water, making it suitable for varied weather conditions. With flame retardancy and a robust enclosure made from quality polycarbonate/ABS, it promises longevity and reliability even in challenging outdoor installations.
Easy and Flexible InstallationThis combiner box accommodates both wall and pole mounting, allowing flexible placement at solar project sites. Input and output cables are pre-wired, with 1.5m lengths included for convenience. Gland-type cable entry simplifies wiring, and MC4/terminal block options provide compatibility with common PV connectors. Rated for up to 1000V DC and 32A output, it suits medium-sized solar arrays.
Enhanced System Efficiency and SafetyCombining up to three PV strings into a single output, this box maximizes system efficiency and safety. Integrated Class II surge protection and DIN rail-mounted MCBs safeguard valuable equipment. Its >99.5% efficiency ensures minimal power loss, while the on/off rotary isolator switch enables quick disconnection during maintenance or emergencies.
FAQs of 3 in 1 out Combiner Box:
Q: How do I install the 3 in 1 out Combiner Box for my solar PV system?
A: The combiner box is designed for easy installation with both wall and pole mounting options. Use the gland-type cable entries for neat wiring, and connect your PV string inputs via MC4 or terminal block connectors. Input and output cables are pre-wired, and clear labeling assists with setup. Consult the installation manual for mounting details and safety guidelines.
Q: What benefits does the included Class II Surge Protection Device (SPD) offer?
A: The Class II SPD protects your solar system from lightning surges and voltage spikes, helping to prevent equipment damage and prolonging the life of downstream components like inverters. This increases system reliability and minimizes costly downtime.
Q: When should the DC circuit breaker be used?
A: The DC circuit breaker provides overcurrent protection and allows for safe isolation of the combiner box for maintenance or emergency shutdowns. The rotary switch lets you disconnect the PV strings quickly and securely without interrupting the entire system.
Q: Where can this combiner box be used?
A: With its IP65 rating, UV resistance, and flame-retardant enclosure, the combiner box is suitable for outdoor installation in harsh conditions typically found on rooftops or ground-mounted solar PV sites. It is manufactured to withstand 0%~95% humidity and temperatures from -25C to 60C.
Q: What is the process for maintaining this combiner box?
A: Maintenance for this combiner box is minimal, thanks to its robust design and pre-wired connections. Periodic visual inspections for any signs of wear, checking the condition of seals, and ensuring the breaker and SPD function properly are recommended for optimal performance.
Q: How does the combiner box enhance safety and simplify system wiring?
A: This box centralizes up to three PV input strings with individual fuses, integrated surge and overcurrent protection, and a single output terminal. Pre-wired connections and easy-to-use cable glands simplify the wiring process, reducing installation errors and enhancing operational safety.