Industrial and residential Square D circuit breaker enclosures designed to be tough, reliable and provide exceptional performance in the most grueling conditions. The enclosure is rated for 240 Vac maximum. Short circuit current rating is 25kAIR at 240VAC. The enclosure is not compatible with earth-leakage or ground-fault modules, H-frame circuit breakers with MicroLogic trip units can be used with these enclosure without communication accessories and trip unit is not accessible or visible Encloser acceptes 80 % rated 3 poles 15A to 100A circuit breakers. This surface NEMA 1 enclosure has dimensions as Height of 17 inch, Width of 7.9 inch and Depth of 4.75 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