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equivalent to NEMA 4 and NEMA 4X enclosures

IP66 Electrical Enclosures & Protection Standards

Bison ProFab is approved to manufacture IP66 Electrical Enclosures that are tested and certified by Intertek (a third party testing agency).

  • IP66 electrical enclosures are equivalent to NEMA 4 and NEMA 4X enclosures, providing high levels of protection for industrial and commercial applications. 
  • International Protection (IP) standards are used to designate the protective capacity of an electrical enclosure. The two-digit code shows the protection against particles (the first digit) and water (the second digit). 
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IP66 Protection & Advantages of Rated Enclosures

Customizable enclosure metals include aluminum alloys, stainless steel, and carbon steel to meet your application requirements. Finishes available include wet coat and powder coat painting, anodizing, and alodining. Features include:

  • Security and tamper-resistant hardware
  • Range of accessories such as: environmental controls, including thermostats, heat strips, air conditioning, passive or fan-assisted venting and insulation, to NEMA 4 and 4X ratings.
  • "Washdown"rated fan assemblies
  • Light switches
  • Viewing windows
  • Fuse blocks and power panels
  • Casters, support legs and risers
  • Range of installation/mounting options, including free-standing, pad mounted, wall mounted, pole mounted and walk-in

Bison ProFab's enclosures are designed to provide custom solutions requiring IP66 protection, at a standard-model price. Our state-of-the-art manufacturing process ensures a quick turnaround without sacrificing the quality you expect from Bison ProFab's enclosures. With 20 years of experience, our expert staff has the capability to design and manufacture your enclosure quickly, to the standards required for IP66 enclosures.

Our electrical enclosures are manufactured in the same specialized facility as Bison ProFab's custom products, by the same experienced craftsmen. Features of our IP66 cabinets include:

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Protection from Solids in IP66 Enclosures

  • Complete protection from solid objects of any kind for industrial and commercial applications.

Moisture Protection for IP66 Enclosures

  • High-pressure jets from all directions with limited ingress permitted, meeting IP66 rating requirements.

Weather Resistance of IP66 Enclosures

  • Enclosure can withstand harsh weather conditions and can be hosed down, e.g., on ship decks or outdoor installations.

NEMA Enclosures with IP66 Equivalent Protection

Bison ProFab offers NEMA enclosures with IP66 equivalent protection, ensuring high moisture and environmental resistance. High-performance NEMA 4 enclosure systems provide excellent moisture protection for indoor and outdoor applications. NEMA 4X electrical enclosures are designed for extreme, harsh, and corrosive environments, exceeding the capabilities of standard NEMA 4 enclosures.

IP Ratings Calculator

Bison provides a resource that quickly explains the protection that each IP enclosure would give, the weather conditions that it could withstand and an equivalent NEMA rating that Bison could then specifically manufacture in order to replace it.

Directions: Input a number between 10-68 to find results on what the protection means.

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