What does NEMA Type 4 mean?
Type 4: Weather tight (weatherproof) enclosures. Constructed for either indoor or outdoor use to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water. Will be undamaged by the external formation of ice on the enclosure.
What is a NEMA 4 enclosure?
NEMA 4 enclosures offer indoor and outdoor solutions for watertight electrical applications. Boxes meeting NEMA 4 standards ensure protection for your equipment in adverse conditions including rain, sleet and snow, as well as, splashing or hose directed water.
Is NEMA 4 the same as NEMA 4X?
NEMA 4 Enclosures vs. Both ratings indicate a waterproof and dust-tight enclosure that provides excellent protection against airborne particulates, adverse weather conditions, and repeated hose-downs. However, a NEMA 4X enclosure has an additional feature that a NEMA 4 enclosure lacks: protection from corrosion.
Is NEMA 4 dust tight?
NEMA 4 is watertight and dust-tight for inside and outdoor applications. NEMA 4X is everything listed, plus corrosion-resistant.
What IP rating is NEMA 4X?
IP66
NEMA Ratings and IP Equivalency Chart
| NEMA Rating | IP Equivalent | Protection Against Solids |
|---|---|---|
| 4X | IP66 | 6 = Totally protected against dust |
| 5 | IP52 | 5 = Protected against dust – Limited ingress (no harmful deposit) |
| 6 | IP67 | 6 = Totally protected against dust |
| 6P | IP67 | 6 = Totally protected against dust |
Is NEMA 4X always stainless steel?
When it comes to protecting against wind, rain, sleet, snow, hail, salt water, and corrosion it’s all in the steel used in the enclosure – 316 stainless steel in this case.
What is NEMA 4X standard?
NEMA-4X – Gasketed door enclosure intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, and hose directed water; undamaged by ice which forms on the enclosure. This is the most common enclosure in “food” environments.
What does NEMA 4X rating mean?
The NEMA 4X definition, as established by the National Electrical Manufacturers Association, is a rating for an outdoor electrical enclosure that has the following protective qualities: Includes a gasket designed to protect against liquid and solid ingress. Suitable for indoor or outdoor use. Resistant to corrosion.
Is NEMA 4X good for Class 1 Div 2?
We recommend electrical enclosures meet or exceed a NEMA rating of Type 4 or Type 4X for use in a Class1 Div2 hazardous location when used with appropriate purge systems.
