4812

Get a Live Demo

You need to see DPS gear in action. Get a live demo with our engineers.

White Paper Series

Check out our White Paper Series!

A complete library of helpful advice and survival guides for every aspect of system monitoring and control.

DPS is here to help.

1-800-693-0351

Have a specific question? Ask our team of expert engineers and get a specific answer!

Learn the Easy Way

Sign up for the next DPS Factory Training!

DPS Factory Training

Whether you're new to our equipment or you've used it for years, DPS factory training is the best way to get more from your monitoring.

Reserve Your Seat Today

NEMA Enclosure Ratings

The following is a list of the current NEMA ratings and definitions

  • Type 1 - Indoors - Protects personnel against hazardous parts. Protects equipment from dust, light, indirect splashing. (not dust-tight)
  • Type 2 - Indoors (condensation) - Similar to Type 1 but with the addition of drip-shields
  • Type 3, 3s, 3x - General Purpose (weather-resistant) - Protects against hazards like rain and falling water. 3x protects against corrosion as well.
  • Type 3r - Outdoor - Meets requirements for protecting against rod-entry, rain, external icing, and rust.
  • Type 4 and 4x - Watertight - Interior must remain dry during testing (water - 65GPM from 1" nozzle @ 10ft for 5 minutes) 4x is corrosion resistant.
  • Type 5 - Dust-tight - Excludes dust with the inclusion of gaskets or equivalent measures.
  • Type 6 and 6p - Submersible - Depends on specified conditions and time. Submersible in oil or water.
  • Type 7 - Hazardous - Indoor settings under Class I, Groups A, B, C, and D environments (NEC definitions).
  • Type 8 - Hazardous - Indoor or Outdoor settings that fall into Class I, Groups A, B, C, and D environments (NEC definitions)
  • Type 9 - Hazardous - Indoor and Outdoor use in Class II, Groups E, F, or G environments (NEC definitions)
  • Type 10 - Mines - Meets the requirements of the Mine Safety and Health Adminitration (MSHA) 30 CFR Part 18
  • Type 11 - Corrosives - Protects against the corrosion effects of liquids and gases. Meets drip and corrosion standards.
  • Type 12 and 12k - Indoor - Provides some protection against dust, falling dirt, and dripping liquids. Rust-resistant.
  • Type 13 - General Purpose - Protection against dust, sprayed water, and noncorrosive coolants. Meets Oil exclusion and rust standards