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