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990-4049
Installation Guide APC Silcon 240-320kW 480V UPS 43
Q3
Q2
Q1
EPO
X001
Q10
EPO SW
Output
Trip function
Trip function
Utility 1
Trip function
External bat-
tery cabinet
For tripping
of all battery
breaker and
switch gear
switches
All battery breakers in external battery cabinets or
battery room must be provided with trip function
Load
Input
Output
User-supplied electronics
Principle diagram
All switch gear switches
must be provided with trip function
Utility 2
UPS
Input
Trip function
or battery room