10 Chapter 1 System Descripti on
ACTURA Flex 48330 Power System User Manu al
Table 1-5 Configuration of MFU
No. Component Description
1 SPD Norminal Dischage Current(8/20μS) 20kA; Ue=385V
2 AC input terminals Rating Current 150A
3 Rectifier AC input MCB Rating Current 25A
4 BLVD contactor 200A or 400A optional
5 LLVD contactor 200A or 400A optional
6 Shunt 300A/75mV
7 Battery MCB 100A MCB (up to 5 battery MCBs can be selected to configure)
8 Load MCB Selected according to user’s requirement
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.
Enclosure
-48V DC Bus
Battery MCB
Figure 1-7 Outline of battery connection unit (BCU)
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