NOTE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor
connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.
EATON Powerware
AC Input to
UPS Rectifier
3 or 4 Wire A−B−C
3 Wire A−B−C
Rotation
A
E1, E2, E3
Input Breaker
(CB1)
(optional)
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 1
E4. E5
D
map to Table 3-4 on page 3−9.
Figure 6-5. Four UPM UPS System, Dual-Feed, Common Battery System
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual