How to Understand NEMA Ratings on Electronics Enclosure? - HLSRN

How to Understand NEMA Ratings on Electronics Enclosure?

• October 7, 2019
• Posted By Sheila Mendoza

Industrial enclosure manufacturing companies has already numerous of electronic enclosure product lines that successfully meet NEMA (National Electrical Manufacturers Association) ratings. This is to make sure that the customer is getting the best quality for the enclosure and they are given the confidence that the product is safe. Through NEMA rating, the customers know what kind of quality they are expecting. The NEMA rating tells if the enclosure can withstand corrosion, ice formation, liquid ingress, and chemical ingress.

With this in mind, one enclosure can have several NEMA ratings. Some of the popular ratings are 4 and 4x, 1, 3, and 12.

To help us further understand what these ratings mean, let us break it down in this article.

NEMA 1 –This Electronic Enclosure is made primarily for indoor use and it gives a certain level of protection from the ingress of alien or foreign objects. It provides basic protection for any equipment.

NEMA 2 –This electronic enclosure is being used for indoor application and it gives a certain level of protection from the ingress of falling water (in limited amounts) and foreign object ingress.

NEMA 4 – This electronic enclosure is primarily intended for both indoor/outdoor use and it gives a certain level of protection against windblown rain or dust, even from splashing water. It remains undamaged from the external ice formation.

NEMA 4X – This enclosure is made for both indoor or outdoor use and it gives the customer a certain degree of protection from corrosion, rain, or windblown dust, even from splashing water. It remains undamaged from the external ice formation. This electronic enclosure is manufactured for both outdoor or indoor use and it gives the user a specific degree of protection from rain, corrosion, dust, and even from splashing water.

NEMA 12 – This enclosure is being used for indoor use and it gives an amazing amount of protection from ingress of solid or foreign objects. As well as protection from non-corrosive liquids.

NEMA 13 –This electronics enclosure is primarily intended for indoor use and it gives a certain degree of protection from solid objects, non-corrosive coolants or chemicals, oil splashing or seepage, dripping, or even spraying chemicals.

Customers can contact the customer support of enclosure manufacturing companies to make sure that the enclosures will meet the desired requirements of the customer’s application.