Industrial and residential Square D circuit breaker enclosures designed to be tough, reliable and provide exceptional performance in the most grueling conditions. Provides a dead front housing for PowerPact M,P circuit breakers, molded case switches, and motor circuit protectors to prevent personnel from accidentally contacting energized parts. Enclosure accepts 2 or 3 pole PowerPacT M,P breakers that have a current rating of 300 to 800A. This enclosure is NEMA 4X rated enclosure and is stainless steel. The enclosure has exterior handle that allows the breaker to operate without opening enclosure. The short circuit current rating of the enclosure is equal to the rating of the circuit breaker installed unless otherwise noted. This device has a height of 40-7/8 inch, width of 20-3/4 inch and depth of 9-1/2 inch. It is UL 489 Listed and CSA certified. Provides NEC 100 compliant sealable equipment. Meet the lock out/tag out requirements of OSHA 29 CFR 1910.147 subpart S. Designed to meet or exceed UL 50 requirements for specific environmental conditions. Complies with NEC 240.30. cULus listed. Protect breaker from physical damage. Allow breaker operation without removing cover