2016年12月15日 · Type 3R: Intended for outdoor use. Provides a degree of protection against falling rain and ice formation. Constructed (with knockouts on the sides and bottom) to prevent beating rain from interfering with the successful operation of the apparatus or result in wetting of live parts and wiring within the enclosure under specified conditions.

A typical NEMA enclosure might be rated to provide protection against environmental hazards such as water, dust, oil or coolant or atmospheres containing corrosive agents such as acetylene or gasoline. A full list of NEMA enclosure types is available for download from the NEMA website.

NEMA 3R Enclosures Designed for outdoor use, offering protection against rain and sleet. Commonly used for housing power distribution, lighting contactors, switchgear, and other electrical components in applications such as exterior electrical panels on buildings.

2022年2月22日 · What is NEMA 3R? This common electrical enclosure rating can be confusing, so use this guide to understand the key traits associated with NEMA 3R.

NEMA 3R electrical enclosures are compatible with both indoor and outdoor applications and hold the least demanding rating for outdoor use. We produce top-quality metal enclosures in a variety of types and materials, all at competitive prices; quick delivery is our specialty.

2025年1月22日 · Discover what makes the NEMA 3R rating unique from other outdoor industrial enclosure ratings, including key differences between NEMA Type 4 and NEMA 4X.

2025年3月7日 · What Does NEMA 3R Mean? An enclosure that will protect electrical components from rain, sleet, and ice and is ventilated is known as a NEMA 3R. It is suitable for indoor and outdoor use as it keeps water out but isn’t 100 percent waterproof.

NEMA 3R enclosures are a popular, cost-effective option for applications where a higher rating is not needed, like community parks, highways, and railways. These enclosures offer protection from: Rain, sleet, and snow

2025年2月20日 · What is a NEMA 3R Enclosure? How does NEMA 3R provide protection? A NEMA 3R enclosure is designed to guard against environmental threats like rain, snow, or sleet. It can be used internally and externally as it stops water from entering which could potentially harm electrical components within.

2025年1月24日 · NEMA 3R is a very specific type of industrial enclosure rating, one that equips the enclosure to adequately house and protect sensitive electronics in outdoor applications. But NEMA 3R is not the only rating that engineers should look for when trying to determine the right enclosure for outdoor use.