Enclosed Devices are designed for reliability and safety. Indoor NEMA type 1 and outdoor NEMA type 3R options are available. Enclosed Devices provide an easy installation for residential and commercial air conditioning systems and other single-phase applications. Metallic and non-metallic enclosure options are available as well. This enclosed circuit breaker is two-pole and 150A. It is rated at 240 VAC and NEMA 3R. This system includes a QDL22200 breaker. This product complies to UL and CSA standards. This enclosure includes a QDL22200 breaker and is rated at NEMA 3R. This enclosure complies to UL and CSA standards.