Hardware Manual
BMS Master 4 / 4.5
Ref.: IR14417 A 15.01.2018 Page 26/76
3.2.1.2 CURRENT DIVIDER 5:1
The current divider is to be used together with the 100A current sensor from Vacuum-
schmelze in applications with currents up to 500 A. The sensor’s low current range cannot
be used with the divider.
The divider consist of three bended and bolted down copper bars of same length but
different width, which will lead only one fifth of the total current though the sensor. When
only one broad bar is bolted down, it becomes a 3 : 1 divider, maximum current then is
300 A.
The divider may be mounted mirror inverted. Before remounting the divider take care to
clean all the contacting areas of the copper bars very well with finest emery cloth and
possibly treat them with a proper anticorrosive mean for copper. The M3-screws have to
be tightened thoroughly.
The 8.5mm-holes may be used to fasten the divider directly on the bolts of a KiloVac
relay; but some washers have to be used to avoid collision with the relay corpus.
Current
Sensor
Current
Sensor
Current direction for positive values
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