3r Enclosure Rating

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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

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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

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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

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The NEMA 3R rating identifies enclosures designed for either indoor or outdoor use It offers protection against falling rain sleet and external ice formation ensuring equipment remains functional in these conditions

https://en.wikipedia.org/wiki/NEMA_enclosure_types
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

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The phrase NEMA 3 enclosure ratings denotes guidelines established by the National Electrical Manufacturers Association for specific electrical enclosures Designed for both indoor and outdoor environments NEMA 3 units shield

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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 External ice formation Falling dirt and rockslides

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NEMA 3R Rating NEMA 3R enclosures are similar to Type 3 but provide slightly less protection against windblown dust See our article on NEMA 3 vs NEMA 3R Indoor Outdoor Either Solid Ingress Protection Accidental contact falling dirt

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What Is NEMA 3R Understanding the Rating NEMA 3R is a rating by the National Electrical Manufacturers Association NEMA that defines an enclosure s ability to protect internal components These enclosures provide protection against rain sleet and external ice formation