Juan Salas

NEMA 4 and Other NEMA Ratings | | | |
|What does NEMA 4 rated mean? In non-hazardous locations, there are several different NEMA ratings for specific enclosure "types", their applications, and the| | |
|environmental conditions they are designed to protect against, when completely and properly installed. Computer Dynamics offers many industrial flat panel | | |
|display systemsconfigured for various NEMA ratings, including NEMA 4 type. The following provides an overview of the NEMA Types. For complete definitions, | | |
|descriptions, and test criteria, see theNational Electrical Manufacturers Association (NEMA) Standards Publication No. 250. | | |
|| | |
|NEMA 1 – Enclosures constructed for indoor use to provide a degree of protection to personnel againstincidental contact with the enclosed equipment and to | | |
|provide a degree of protection against falling dirt.| | |
|NEMA 2 – Same as NEMA 1 including protection against dripping and light splashing of liquids. || |
|NEMA 3 – Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed | | |
|equipment; toprovide a degree of protection against falling dirt, rain, sleet, snow, and windblown dust; and that will be undamaged by the external formation | | |
|of ice on the enclosure.| | |
|NEMA 3R – Same as NEMA 3 excluding protection against windblown dust....