NEMA 4X enclosures are made of stainless steel or plastic. NEMA 4X enclosures are used in harsher
environments than standard NEMA 4 units. Applications where corrosive materials and caustic cleaners are
used necessitate the use of a NEMA 4X enclosure. Applications include food, such as meat/poultry processing
facilities, where total washdown with disinfectants occur repeatedly and petro-chemical facilities, including
offshore petroleum sites. NEMA 4X is used when protection from the worst environments is required. NEMA 4X
enclosures are available in sizes from small wall mounts to two-door floor mount models. Hubbell-Wiegmann NEMA 4X
enclosures are made of 304 or 316L stainless steel.
NEMA 4X Enclosures