NORMAL
SOURCE
LOAD LUGS
POWER PANEL
NEUTRAL
CONNECTION
MANUAL
OPERATING
HANDLE
EMERGENCY
POWER SOURCE
POWER
TRANSFER
MECHANISM
VOLTAGE
SELECTION
PANEL
LOGIC PANEL
GROUND
CONNECTION
IB140036EN
For more information visit: www.eaton.com
Instruction Booklet
Effective: October 2014
Page
27
O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position,
Open/Closed Transition Contactor Based Transfer Switch
Figure 19A. 40-1200A, 3-Pole, ATS Interior Components (Open Transition).