Automatic Transfer Switch, ZTG T-Series, 400 A-600 A, ZGOL3SX12-BX1XX2X ZTG OT 600A3PH Swt Neu N1 6,295.10 6,295.10 General Purpose Commercial and Industrial Automatic Transfer Switch 600 A, 3 Phase (4 Pole), Open Transition NEMA 1 Enclosure 2 NO (Normally Open) and 2 NC (Normally Closed) Auxiliary Contacts Switched Neutral No Meters GB1 - (3)#8-1/0 Ground Bar Additional 2 I/O, programmable T1-Panel Voltage agnostic, Rated for 200 to 480V line to line voltage Standard Application-Sources on Bottom