Operation
Figure 51 Load on maintenance bypass (three breakers)
STANDBY GENERATOR
AUTOMATIC TRANSFER SWITCH
THREE BREAKER MAINTENANCE BYPASS SWITCHBOARD
BFB
MBB
Critical
Load
AC Output
MIB
BIB
UPS MODULE
Static
Bypass
Switch
Static
Switch
Bypass CB
Disconnects
CONTROL POWER
Controls
RIB
Rectifier/
Inverter
Charger
INPUT
OUTPUT
CB
CB
MAIN INPUT
SWITCHGEAR
Battery
MBD
68