Installation
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9229 9947 176 0C
2013-03-28
Corresponding to the nominal current strength, use M12 screws and nuts - strength
class 8.8 - for connection and appropriate spring elements and washers.
When tightening the screws, hold the nuts against tightening torque of 70 Nm with
a suitable screwdriver or socket wrench.
Screw-in depths in the upper and lower terminals
See dimension drawings.
Fig. 61
Installing busbars flat
Fig. 62
Installing busbars flat
Note
For vacuum circuit-breakers with connecting bars it is recommended to use the
stainless steel screws or non-magnetisable screws included in the accessory
pack.