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 B circuit breakers, molded case switches, and motor circuit protectors to prevent personnel from accidentally contacting energized parts. Enclosure accepts 100% and 80%% rated 2 or 3 poles 15A to 125A circuit breakers with different neutral assemly kits. The enclosures' maximum short circuit ratings are 65 kA at 600Y, 65 kA at 480 Vac, 100 kA at 240 Vac and 50 kA at 250 Vdc unless otherwise noted This NEMA 12 Without Knockouts has dimensions as Height of 19.5 inch, Width of 9.13 inch and Depth of 4.88 inch. 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