Operating instructions

Understanding UPS Operation
5-6 Eaton 9E UPS (40–60 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000302—Rev 1 www.eaton.com/powerquality
5.3 Single UPS Unit System Oneline Configurations
The system oneline drawings in this section show the simplified internal structure of the UPS, battery supply,
and basic maintenance bypass.
Oneline Drawing UPS Model
Voltage
System TypeInput Output
See Figure 5-5 9E-40 208/220 208/220 Single Reverse Transfer UPS
with Internal Battery (No
External Battery Capability)
See Figure 5-6
9E–60/40
9E–60/60
208/220 208/220
Single Reverse Transfer UPS
with Internal Battery and
External Battery Capable
See Figure 5-7
9E–60/40
9E–60/60
208/220 208/220
Single Reverse Transfer UPS
with Internal and External
Batteries