Installation
48/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
19.5 Tightening torques
If not stated otherwise and if there is no deviating manufacturer information, the following
tightening torques apply to 8DA10 switchgear:
Busbar housing cover with bursting disc and
desiccant bag holder for 2x 250 g desiccant
bags
•
① Adhesive label: Filter
Busbar housing post insulator cover without
desiccant holder
•
② Adhesive label: Busbar direction
Busbar housing post insulator cover with
desiccant holder for 1x 450 g desiccant bag
• ① Adhesive label: Filter
•
② Adhesive label: Busbar direction
Type of housing cover Front view Rear view
Joint Material/material Thread Tightening torque
Metal joints Sheet-steel/sheet-steel
e. g.: front plates, top
plates, etc.
M6 (self-tapping) 12 Nm
M8 30 Nm
Earthing busbar Sheet-steel/copper M8 21 Nm
Sheet-steel/copper M10 30 Nm
Sheet-steel/copper M12 70 Nm
Copper/copper M8 21 Nm
Copper/copper M12 70 Nm
Current conductor joint Copper/copper M8 21 Nm
Copper/copper M10 40 Nm
Copper/aluminum M12 50 Nm
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