As defined by the National Electrical Manufacturers Association (NEMA), a Type 3R enclosure is built for indoor or outdoor use and provides several layers of protection: it prevents direct human contact with hazardous internal parts, shields internal equipment from falling dust and. As defined by the National Electrical Manufacturers Association (NEMA), a Type 3R enclosure is built for indoor or outdoor use and provides several layers of protection: it prevents direct human contact with hazardous internal parts, shields internal equipment from falling dust and. (1) Waterproof distribution box engineered for harsh outdoor and industrial environments, providing IP65–IP68 sealing against dust, rain, and UV. (2) Flexible options including plastic waterproof distribution box and DIN rail waterproof electrical distribution box for versatile wiring needs. Built with durable materials, CE & ROHS certified. Contact us for custom solutions!Shanghai Zhonghan Electric Co. is a high-tech enterprise specializing in the field of electrical automation, established in 2011 with its headquarters located in Jiading District, Shanghai, China. Browse our durable lineup of outdoor electrical enclosures designed to protect sensitive components from rain, dust, UV exposure, and harsh environmental conditions. Its rainproof design features a sloping roof and reinforced triangular brackets for enhanced stability and. E-abel's NEMA 3 Electrical Enclosure is engineered for environments that require protection against rain, sleet, windblown dust, and external ice formation.