Floor openings
Floor openings and
fixing points
Bolted joint of
the standard design
Bolted joint of the
aseismic design
861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11
18.2
Constructional data of the foundation
The panels can be bolted or welded to the foundation rails. Fasten each panel diagonally to
the foundation rails at two points at least. Use M10 fixing bolts as a minimum.
Tightening torque: 60 Nm.
Damage to the welded seams
Welded seams are susceptible to corrosion.
➭ After welding, protect the welded seams professionally against corrosion.
Fig. 24:
Overview of floor openings and fixing points
①
Base frame
②
Floor opening for high-voltage cables
③
Switchgear termination
④
Foundation rails
For large panel connection housings, the dimension must not be smaller than 1145 mm
1)
Bolt the standard design diagonally to the foundation rails at 2 points
(use sheet EN 10021, 4x40x60 mm).
Fig. 25:
Bolted joints of standard design
①
Fixing points (26x45 mm) for M10
Bolt the aseismic design to the foundation rails at all 4 points using a floor fixing profile.
The floor fixing profile is included in the scope of supply. The fixing material is not included in
the scope of supply. (Part number: 865-2944.0 without fixing material).
Bolted joints of the aseismic design
①
Fixing points (26x45 mm) for M10
②
Fixing profile
NOTICE
⑤
Fixing holes (26x45) for M10
⑥
Area for floor openings for control cables
⑦
Operating side of the panel
Fixing profile
Installation
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