Operating instructions

UPS System Installation
Eaton 9E UPS (40–60 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000302—Rev 1 www.eaton.com/powerquality 4-11
Figure 4-8. Power Terminal Detail
DC Input from
External Battery +
DC Input from
External Battery -
Neutral (N)
AC Output to
Critical Load
Ground Terminals
AC Input to
UPS Rectifier
AC Input to
UPS Bypass
Phase A (L1)
Phase B (L2)
Phase C (L3)
Neutral (N)
Phase A (L1)
Phase B (L2)
Phase C (L3)
Neutral (N)
Phase A (L1)
Phase B (L2)
Phase C (L3)