Torque = 50 Nm
cover
Insulating
boot
6.5 Install busbars
Clean any greasy or sticky substance off the
risers and busbars with a soft dry cloth.
Install busbars supplied loose across each
shipping section starting at bottom bar and
then continue to work upwards. Remember to
fit the joining boots (if provided). Use M10
socket head bolts (tensile 8.8), nuts, spacers
(when required) and two Belleville washers per
bolt to a tightening torque of 50 Nm.
3150 A…4000 A Busbar
2x (D100/12 copper bar)
80x60x15 mm copper spacer (at intermediate
and end joints)
M10x60 mm high tensile
hexagon socket head screw
M10 hexagon nut grade 8.0
M10 Belleville washers (under
screw and nut)
spacer
joining boot
bus riser module
busbar insulation
busbar connection
(right side)
A S S E M B L Y O F S W I T C H G E A R A T S I T E
29
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6/12 Typical
installation of the
busbars
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6/13 Typical
Installation of the
busbar ends
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6/12
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6/13