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21
Figure 8 Power single-line diagrams*
Table 1 Abbreviations for circuit breakers
BFB Bypass Feeder Breaker
BIB Bypass Input Breaker
MBB Maintenance Bypass Breaker
MBD Module Battery Disconnect
MBFB Maintenance Bypass Feeder Breaker
MIB Maintenance Isolation Breaker
RIB Rectifier Input Breaker
Two-breaker maintenance bypass switchboard
MBFB
BIB
MBB
MIB
UPS module
Static
switch
disconnect
Static
bypass
switch
Bypass CB
Output CB
Battery
Main input
switchgear
RIB
Rectifier/
charger
Inverter
Input
CB
Control power
MBD
Critical load
AC output
Three-breaker maintenance bypass switchboard
BFB
BIB
MBB
MIB
Critical load
AC output
UPS module
Static
switch
disconnect
Static
bypass
switch
Bypass CB
Output CB
Battery
Main input
switchgear
RIB
Rectifier/
charger
Inverter
Input
CB
Control power
MBD
* These configurations are for illustrative purposes only. They represent only a sample of the possible
configurations. Refer to the submittals supplied with your order for more information or for order-specific details.