Battery Connection Unit (Bcu); Table 1-5 Configuration Of Mfu; Figure 1-7 Outline Of Battery Connection Unit (Bcu) - Emerson ACTURA Flex 48330 User Manual

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The user can mount the distribution unit into cabinets with widths of 600mm and
depths of 400mm and 600mm. It has a height of 4.5U (200mm).

1.5.5 Battery Connection Unit (BCU)

Outline
The outline of the Battery Connection Unit (BCU) is illustrated in Figure1-7.
Physical size
Battery Connection Unit (BCU) can be installed in cabinets with widths of 600mm
and depths of 400mm and 600mm. BCU has a maximum height of 1.5U (67mm).
BCU contains 2 to 5 circuit breakers, each with ratings of 100A and 200A.
Alarm output
The BCU will generate an alarm if a battery circuit breaker is off. This alarm shall be
possible to connect to the connector board for display in the Controller. It shall be
possible to combine the alarms from 2 BCUs to generate a single alarm in the
controller. It shall also be possible to combine the alarm from the BCU with an

Table 1-5 Configuration of MFU

Component
SPD
AC input terminals
Rectifier AC input MCB
BLVD contactor
LLVD contactor
Shunt
Battery MCB
Load MCB

Figure 1-7 Outline of battery connection unit (BCU)

ACTURA Flex 48330 Power System User Manual
Norminal Dischage Current(8/20μS) 20kA; Ue=385V
Rating Current 150A
Rating Current 25A
200A or 400A optional
200A or 400A optional
300A/75mV
100A MCB (up to 5 battery MCBs can be selected to configure)
Selected according to user's requirement
Battery MCB
-48V DC Bus
Description
Enclosure