861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11 127/214
Installation
27 Installing the bus sectionalizer
The bus sectionalizer installation is shown exemplarily by means of the 1250 A bus
sectionalizer panel. For bus sectionalizer panels 1600 A, 2000 A and 2500 A, mount
the bus sectionalizer in the same way as for the 1250 A version. Deviating assembly
operations and components for the 3150 A version are shown additionally.
Required components
3x bus sectionalizer housings with housing covers pre-
assembled at the factory
Bolted joint per housing cover: 8x hexagon head
bolts M8x30 with plain washers and nuts
12x 250 g desiccant bags
2x desiccant bags per housing cover
Number of bus sectionalizer busbars
• 1x bus sectionalizer busbar for 1250 A version
• 2x bus sectionalizer busbars for 1600 A version
• 3x bus sectionalizer busbars as from 2000 A
version
Bolted joint per bus sectionalizer busbar: The bolt
length of the 2 hexagon head bolts increases with the
number of bus sectionalizer busbars and the normal
current. For the example of the 1250 A version, use 2
hexagon head bolts M16x40 with plain washers.
6x connection flange including contact stud for the bus
sectionalizer busbar
Bolted joint per connection flange: 4x hexagon socket
head cap bolt M8x50 and conical spring washers
Use only for the 3150 A version: 2x bus sectionalizer
busbars including bolted joint
Bolted joint for 2 bus sectionalizer busbars: 6x cup
head square neck bolt M10x75, conical spring
washers and hexagon nuts
Use only for the 3150 A version: 6x connection flange
including contact stud for the bus sectionalizer busbars
Bolted joint per connection flange: 4x hexagon socket
head cap bolt M8x50 and conical spring washers
Various bolting material
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