Fibox Enclosures Built to Meet Your Most Complex Requirements

Enclosure Products

Enclosures protect your investments, and our NEMA 4X polycarbonate enclosures shield your designs in harsh and hostile locations. We offer over hundreds of non-metallic enclosures to safeguard your products from the elements and more.

Customizations

We offer a full range of customization services and stock a host of accessories for your non-metallic enclosure selection. With years of experience exceeding customer needs, we provide you cost-effective solutions for your most complex requirements. As one of the largest manufacturers in the world, Fibox is committed to delivering high-quality, customizable enclosures that meet global standards.

Fibox Feature: NEMA 4X Polycarbonate Enclosures

All Fibox non-metallic enclosures are cUL/UL listed, 3rd-party tested, waterproof, and dustproof to ensure safety and reliability in any environment. Discover the rigorous standards and testing that go into earning a NEMA rating, ensuring your equipment is protected from the elements and operational hazards.

View NEMA 4X Enclosures

Industries:

Fibox serves many sectors across the globe, enclosing our client's instrumentation and control products in our enclosing innovations.

NEMA 4X Enclosures & Junction Boxes

Discover heavy-duty, corrosion-resistant NEMA 4X electrical enclosures engineered to protect sensitive electronics in demanding industrial and outdoor environments. Fibox non-metallic enclosures are UL and cUL listed, providing a secure, watertight seal against windblown dust, rain, snow, and hose-directed water. Unlike standard NEMA 4 enclosures, our high-performance polycarbonate NEMA 4X enclosures offer enhanced protection against chemical corrosion, salt water exposure, UV radiation, and harsh operating conditions.

Standard Product Offerings

Our watertight and weatherproof enclosures are designed for outdoor and industrial applications requiring reliable protection from moisture, dust, and environmental exposure. Our NEMA 4X and NEMA 6P enclosures provide advanced protection against water ingress, corrosion, and demanding installation environments. Polycarbonate enclosures offer a lightweight, durable solution for protecting electrical components, automation equipment, control systems, instrumentation, and sensitive electronic devices.

Applications

Fibox NEMA enclosures are designed for a wide range of industrial, commercial, and outdoor applications where reliable protection of electrical and electronic components is critical. Common applications include industrial automation systems, control panels, PLC and instrumentation systems, sensor housings, telecommunications equipment, power distribution components, and outdoor electrical installations. These corrosion-resistant enclosures are ideal for environments such as manufacturing facilities, water treatment plants, food processing operations, marine applications, utilities, and other locations exposed to moisture, chemicals, dust, or harsh environmental conditions.

Learn More

Explore our technical resources, including product datasheets, specifications, installation guides, FAQs, troubleshooting information, case studies, and application notes to help select the right enclosure solution.

Get in Touch

Have questions or need support? Our knowledgeable customer service and application engineers are available to answer your questions. Trust that when working with Fibox, you are working with the industry leader and original innovator of non-metallic polycarbonate NEMA enclosures.