Eaton Powerware 9390 Installation And Operation Manual page 155

MIB: MAINTENANCE ISOLATION BREAKER
MBP: MAINTENANCE BYPASS BREAKER
TYPICAL MAINTENANCE BYPASS PANEL POWER FLOW
NOTE
If installing, as part of the UPS system, a maintenance bypass without a rectifier input
breaker, a minimum of two separate feeds with upstream feeder breakers, or one feed
with two upstream feeder breakers, must be provided: one for the UPS and one for
the maintenance bypass input. DO NOT use one feed or a single‐feeder breaker to
supply both the UPS and the maintenance bypass.
EATON Powerware
AC INPUT
To UPS
Input
MBP
MIB
Output
from
UPS
MAINTENANCE
BYPASS PANEL
(PROVIDED BY OTHERS)
K5
STATIC
SWITCH
Backfeed
BATTERY
BREAKER
BATTERY CABINET
DESCRIPTION:
DRAWING NO:
REVISION:
® 9390 UPS (20–80 kVA) Installation and Operation Manual
CRITICAL LOAD
DISTRIBUTION
K3
UPS
UPS SYSTEM ONELINE DRAWING
164201603-4
A
S
164201603 Rev 2 www.powerware.com
INSTALLATION INFORMATION
UNIT
SHEET:
2 of 5
DATE:
091505
A-7