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Zenith Automatic Transfer Switch | new.abb.com/low-voltage
Source 1 Charge
LED Indicator
Bypass Open Button
Bypass Manual Charge
Access Point (Source 2)
Bypass Source
2 Close Button
Bypass Source 2
Position Indicator
Source 2 Charge
LED Indicator
Racking Position Indicator
Padlock Latch Assembly
Rack Insertion Hole
Bypass Manual Charge
Access Point (Source 1)
Bypass Source 1
Close Button
Bypass Source 1
Position Indicator
Figure S5-2: View of Bypass Access Panel with various indicators and push buttons.
Access Panel for the Bypass Isolation ATS is located in the left side the frame assembly as shown in S5-1. Make sure to follow all
warning and caution notes before accessing the buttons on access Panel. Access Panel consist of status indication for the contacts,
mechanism for both Source 1 & Source 2 & racking position indication for Isolation Panel.