User Manual

BFUBattery Fuse Unit
Alarm Handling
The alarms are detected in the BFU and forwarded to the ECU and to an
indicator light on the front. The following alarms are detected:
Table 1 Alarms
Alarm Description
Circuit breaker trip or Aux
fuse blown
Circuit breaker tripped or Aux blown.
Communication failure Not receiving signals from optical loop.
BFU failure Failures on the BFU not specified above.
Battery disconnected Contactor released.
2Dimen
sions
The size and weight of the BFU are shown in the table below.
Table 2 Dimensions
Height Width Depth Weight
267 mm
(1)
61 mm
(2)
234 mm 3.8 kg
(1) 6 HE x 44.45 mm
(2) 12 TE x 5.08 mm
3 Power Consumption and Heat Generation
This section provides information about the power consumption and heat
generation of the BFU.
Table 3 Power consumption and heat generation
Max. Power Consumption Max. Heat Generation
20 W 20 W
4 (10)
EN/LZT 720 0233 Uen R1A