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990-4049
Installation Guide APC Silcon 240-320kW 480V UPS 45
Single configuration for Single Utility
Single Utility Matrix
DC Utility Possible UPS operation modes Tripping
Supply
Note
0 0 Off 0 Nothing to trip
0 1 Bypass operation 1
1 0 Battery operation only 1
1 1 Normal/bypass/battery operaiton 1
Q3
Q2
Q1
Output
Utility
Input
Load
User-supplied external PSU for
tripping of battery breakers in external
switch gear switches.
battery cabinet or battery room and
External DC
UPS