Square D (Schneider Electric) QO Frame Circuit Breaker Enclosure, NEMA 1, For QO 2 Pole Breakers

QO and QOB Circuit Breakers have one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. They are designed to meet residential, commercial, and industrial requirements to protect electrical systems, equipment, and people. These enclosures are rated for indoor use only, providing primarly protection from hazardous contact points.