737 MAX Flight Crew Operations Manual
Electrical -
System Description
MN-FLT-OH-201
6.20.13
Standby Power System Schematic
AUX BAT
FROM GROUND
SERVICE BUS #1
CHGR
BATT
AUX
AUTO
OFF
BAT
STANDBY POWER
BAT
OFF
ON
TRANSFER BUSES POWERED
AUTO
OFF
BAT
STANDBY POWER
BAT
TRANSFER BUSES NOT POWERED
OFF
BAT
STANDBY POWER
OFF
ON
TR1
TRANSFER BUS NO. 1
TRANSFER BUS NO. 2
TR3
TR2
BATTERY BUS
DC STANDBY BUS
BAT
TRANSFER BUSES POWERED
OR
OR NOT POWERED
TRANSFER BUSES POWERED
(NORMAL CONFIGURATION)
CHGR
BATT
FROM GROUND
SERVICE BUS #2
BATTERY BUS
INV
AC STANDBY BUS
DC STANDBY BUS
HOT BAT BUS
BAT
HOT BAT BUS
SWITCHED
BAT
OFF
ON
OR NOT POWERED
BATTERY BUS
INV
AC STANDBY BUS
DC STANDBY BUS
HOT BAT BUS
BAT
HOT BAT BUS
SWITCHED
HOT BAT BUS
HOT BAT BUS
SWITCHED
AC STANDBY BUS
AUX BAT
AUX BAT
AUTO
BAT
OFF
BAT
STANDBY POWER
OFF
ON
AUTO
March 1, 2021