DSD-SR30234 is a horsepower-rated selector switch designed for industrial control in explosive, wet, and corrosive environments. It features 2 poles and 3 positions with electrically isolated contacts, providing double-throw functionality with an OFF position. The switch is rated for 30 A maximum current at 600 V, with horsepower ratings of 7.5 HP at 240 V (3-phase) and 10 HP at 480–600 V (3-phase). It complies with Class I Division 1 & 2 Groups C & D, Class II Division 1 Groups E, F & G, Class II Division 2 Groups F & G, and Class III standards, with NEMA enclosure ratings of 3, 5, 7CD, 9EFG, and 12. The front-operated design with ground-joint sealing makes it suitable for motor control, process automation, and hazardous area applications where reliable switching and isolation are essential.