Enclosures for Solar Power
Solar power is the conversion of energy from sunlight into electricity, either directly using a photovoltaic system, or indirectly superheating water to turn a turbine or take a hot shower. Fibox provides enclosures for solar applications for tracking, collecting, and distributing power.
Solar panels and inverters get all the attention and admittedly look great in a photo. However, enclosures for the solar industry and other Balance of System (BOS ) components are often overlooked. The enclosure you select is just as important and deserves equal attention. After all, if these solar BOS electrical components and essential electronics for managing batteries and power backups are not protected from the elements, then your solar application may not work efficiently or at all.
As the cost of solar panels decreases while their effectiveness increases, more and more people, companies, and countries are migrating to solar power. Your design will need to weather the elements out of doors and operate in extreme environments. As competition increases, you must offer a long service life to your clients. Working with many top EPC companies, our commitment to reliability, innovation, and durability is reflected in our diverse enclosure solutions tailored to conquer the challenges of demanding outdoor environments. Therefore, non-conductive Fibox products are the perfect enclosures for the solar industry, for residential, microgrid, community, or solar field applications. Fibox solar industry enclosures are UL 1741 and cUL/UL-listed and rated NEMA type 4X, and offer outstanding UV protection. In short, Fibox enclosures protect your equipment from the ingress of water and dirt and won’t dry out in the sun. In addition, Fibox enclosures make service and inspection hassle-free and straightforward.
Enclosures for Solar Applications
Download the Fibox Solar Solutions Guide
- Battery Storage Systems
- Communication System
- Control System & Switchboards
- Data Acquisition Systems (DAS)
- Disconnect Boxes
- Grounding Equipment
- Metering Devices
- (PV) Junction Boxes
- Power Conditioning Equipment (PCS)
- Rapid Shutdown Solutions
- Splice Combiners
- Tracking Systems
- (PV) Transition Boxes
Secure and reliable storage solutions are essential for maintaining energy supply and operational efficiency in solar applications.

Enclosures for Solar Power
When deciding what enclosure to utilize for the various BOS components in a solar power project, you must consider the following:
- UV exposure
- Temperature
- Particle Ingress
- Humidity
In short, Fibox non-metallic polycarbonate weatherproof enclosures offer the best of all worlds. UL 1741 complaint and cUL/UL-listed NEMA 4X & 6P provide a dry and dust-free environment in even the harshest locations, thanks to the formed-in-place PUR gasket.
Fibox’s non-conductive, rust-free, thermal-set plastic has a much higher impact resistance than metal or fiberglass. Fibox offers unparalleled UV protection, tested to withstand 5,000 hours in an accelerated aging test without blooming like fiberglass. Our radio transparent plastic is ideal for remote solar applications eliminating the need for an external antenna. Lastly, polycarbonate is exceptionally lightweight, easy to transport and modify, and handles cold and blazing heat. Fibox’s ARCA IEC 806030 No-Mp quickly dissipates the heat generated by busbars in today’s 400 and 500 amp applications.
Please note all Fibox non-metallic enclosures are UL 1741 compliant.
Fibox offers premium enclosures designed to provide maximum protection and reliability for your critical solar equipment. Engineered to meet the highest standards of quality and safety, our enclosures ensure your systems remain secure and operational in any environment. While we don't manufacture battery boxes themselves, our enclosures are ideal for a wide range of solar applications, including housing sensitive electronics, inverters, and control systems.
Key Features & Benefits:
NEMA 3R Rating: Ideal for outdoor use, our enclosures offer robust protection against rain, snow, and other harsh weather conditions.
Secure Access: Hinged, pad-lockable doors or lids ensure secure access and simplify maintenance.
Easy Installation: Custom machined cut-outs provide convenient wiring and connections.
Thermal Management: Passive cooling ventilation helps maintain optimal temperature regulation for internal components.
Versatile Compatibility: Our enclosures accommodate a variety of equipment configurations and sizes.
Certifications & Compliance:
Our enclosures meet stringent industry requirements, including:
UL Certification: Ensures safety and performance as per Underwriters Laboratories standards.
IEC Certification: Complies with international standards set by the International Electrotechnical Commission.
Building Code Compliance: Meets local and national building codes and regulations for safe installation.
Installation & Maintenance:
Our enclosures are designed for ease of installation and maintenance:
Custom Machined Cut-outs
Formed in place Knock-outs