17121 is an 8 terminal, 3-Phase Disconnect Switch manufactured by Desco, a leader in electrical distribution equipment. The switch has a 600 Rated Ampere Maximum AC, UL 97 Listed and CSA Certified, rated NEMA 3R enclosure. This switch has 2 - four pole disconnects, allowing it to be used for both three-phase and single-phase systems. Each disconnect has copper contact lug bars, allowing for easy connection of up to three individual conductors. It also has 4 continuous duty, momentary contact handles that lock in any position for user convenience. This switch is ideal for applications such as motor control centers, motors, generators, and motor feeds.