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 circuit breaker enclosure has a current rating of 225A and 2 pole or 3 pole. It is rated at NEMA 3R. The product is CSA Rated.