Specifications

IB01602019E For more information visit: www.eatonelectrical.com
Instructional Booklet
Effective: May 2006 Page 11
O&M Manual for the Eaton ATC-100
Automatic Transfer Switch Controller
Section 4: Programming
4.1 Introduction
The ATC-100 is programmable via the jumpers on the back of the
unit (see Figure 5).
Figure 5. Jumpers on ATC-100.
Table 2 shows the Fixed and Jumper-selectable settings that are
available in the ATC-100.
Table 2. Fixed and Jumper-Selectable Settings.
DESCRIPTION RANGE FACTORY DEFAULT FIXED/JUMPER
Time Delay Engine Start 3 seconds 3 seconds Fixed setting
Time Delay Normal to Emergency 2 or 15 seconds 15 seconds Jumper-selectable
Time Delay Emergency to Normal 5 minutes 5 minutes Fixed setting
Time Delay Engine Cool-off 5 minutes 5 minute Fixed setting
Time Delay Emergency Fail Timer 6 seconds 6 seconds Fixed setting
Nominal Frequency 50 or 60 Hz As ordered Jumper-selectable
Nominal Voltage 120, 208, 220, 230, 240, 380, 415, or 480 volts As ordered Jumper-selectable
Three phase or single phase 1 or 3 As ordered Jumper-selectable
Utility Undervoltage Dropout 80% of Nominal Voltage 80% of Nominal Voltage Fixed setting
Generator Undervoltage Dropout 80% of Nominal Voltage 80% of Nominal Voltage Fixed setting
Utility Undervoltage Pickup 90% of Nominal Voltage 90% of Nominal Voltage Fixed setting
Generator Undervoltage Pickup 90% of Nominal Voltage 90% of Nominal Voltage Fixed setting
Generator Underfrequency Dropout 90% of Nominal Frequency 90% of Nominal Frequency Fixed setting
Generator Underfrequency Pickup 95% of Nominal Frequency 95% of Nominal Frequency Fixed setting
Generator Overfrequency Dropout Off or 115% of Nominal Frequency Off Jumper-selectable
Generator Overfrequency Pickup Off or 110% of Nominal Frequency Off Jumper-selectable
Generator Test On/Off Off, No Load Transfer, Load Transfer Off Jumper-selectable
Generator Test Interval 7-Day, 14-day, or 28-day 7-day Jumper-selectable
Engine Run Test Time 15 minutes 15 minutes Fixed setting