EDS / EFS Series Control Stations 4C DSD-SR Series Horsepower Rated Selector Switch* 30 A, 600 V; Front Operated Cl. I, Groups C & D Cl. II, Groups E, F & G Cl. III Enclosure 3, 5 & 12 Ordering Information Switch Function Cat. # Number of Poles Number of Positions ON/OFF DSD DSD DSD DSD DSD DSD SR30120 SR30220 SR30320 SR30420 SR30520 SR30620 1 2 3 4 5 6 2 2 2 2 2 2 DSD SR30121 DSD SR30221 DSD SR30321 1 2 3 2 2 2 DOUBLE-THROW without OFF Connecting Diagram 1-6 Pole 4C 1-3 Pole DOUBLE-THROW without OFF with electrically isolated contacts DOUBLE-THROW with OFF DSD SR30123 DSD SR30223 DSD SR30323 1 2 3 2 2 2 1-3 Pole DSD SR30132 DSD SR30232 DSD SR30332 1 2 3 3 3 3 1-3 Pole DOUBLE-THROW with OFF and electrically isolated contacts DSD SR30134 DSD SR30234 DSD SR30334 1 2 3 3 3 3 1-3 Pole Electrical Specification Horsepower Rating 3PH 1PH Voltage 120 3 240 7.5 480 10 600 10 Maximum Current: 30 A 1.5 3 5 5 Heavy-duty A600 rating Options: Description Lockout for 2 position switch, handle in either position Suffix SX178 Lockout for 3 position switch, handle in either position S349 DSD-SR cover assembly shown mounted to an EDS back box *For CEC applications only. 524 www.crouse-hinds.com US: 1-866-764-5454 CAN: 1-800-265-0502 Copyright(c) 2013 Eaton's Crouse-Hinds Business