IB01602017E
For more information visit: www.eaton.com
Instructional Booklet
Effective: July 2010
Page
23
ATC-100 Contactor Based Transfer Switch
Step 5:
Apply Utility power. If the switch is properly applied for
the system voltage ordered, the Utility Available white
LED should light (Figure 18). Using a voltmeter, check
for proper system voltage on Utility and load terminals.
Voltage measurements should be taken phase to phase
and phase to neutral.
Figure 18. ATC-100 Logic (Utility Supplying Load).
UTILITY
AVAILABLE
