When it comes to protecting sensitive equipment, choosing the right enclosure is critical. Whether you’re housing networking gear, servers, or electrical components, you need to know that your equipment is safe from dust, moisture, and other environmental hazards.
That’s where NEMA enclosure ratings come in. But what do these ratings actually mean — and which one do you need?
In this guide, we’ll break down NEMA ratings so you can confidently select the right NEMA-rated enclosure or cabinet for your application.
What are NEMA Ratings?
NEMA stands for the National Electrical Manufacturers Association. These ratings define the level of protection an enclosure provides against environmental hazards like:
- Dust and dirt
- Water (drips, sprays, or submersion)
- Corrosive agents
- Ice formation
Each rating corresponds to a set of conditions that the enclosure is designed to withstand.
Common NEMA Ratings and What They Mean
Here are some of the most common ratings you’ll encounter:
How to Choose the Right NEMA Rated Enclosure
When selecting a cabinet or enclosure, ask yourself:
- Will it be installed indoors or outdoors?
- Is there exposure to water, chemicals, or dust?
- Is corrosion resistance necessary?
- Does it need to withstand extreme temperatures or ice?
Your answers will help determine which NEMA rating meets your needs.
Shop NEMA Rated Enclosures and Cabinets
At Great Lakes Data Racks & Cabinets, we offer a full line of NEMA-rated enclosures designed to protect your critical equipment in any environment. Below are some of our most popular NEMA-rated products:
- Single Bay Cabinet (NEMA 3R/4)
- Double Bay Cabinet (NEMA 3R)
- Free Standing Cabinet (NEMA 12)
- Double Swing Wall Mount (NEMA 4)
Browse our full list of NEMA rated products here.
Each of these enclosures is engineered to meet the specific demands of your environment while keeping your equipment safe and compliant.
Need help choosing? Contact us and our team will be happy to guide you to the right solution.
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