Insulation supports
Note
Max. torque
Size
Strength class 8.8
5 N·m (44 lbf·in)
M6
Strength class 8.8
9 N·m (6.6 lbf·ft)
M8
Strength class 8.8
18 N·m (13.3 lbf·ft)
M10
Strength class 8.8
31 N·m (23 lbf·ft)
M12
Cable lugs
Note
Max. torque
Size
Strength class 8.8
15 N·m (11 lbf·ft)
M8
Strength class 8.8
32 N·m (23.5 lbf·ft)
M10
Strength class 8.8
50 N·m (37 lbf·ft)
M12
Cooling and degrees of protection
■
Planning the cooling
When you plan the cooling of the cabinet:
•
make sure that the ventilation of the installation site is sufficient so that the cooling air
flow and ambient temperature requirements of the module are met (see the technical
data)
•
leave enough free space around the components to ensure sufficient cooling. Observe
the minimum clearances given for each component, see the technical data.
■
Air inlets and outlets
Equip the air inlets and outlets with gratings that:
•
are large enough to allow sufficient air flow in and out of the cabinet (critical for correct
cooling of the module)
•
guide the air flow
•
protect against contact
•
prevent water splashes from entering the cabinet
•
ensure adequate protection against flames or pressure blast originating from inside the
cabinet in case of arc flash or similar failure.
The drawing below shows two typical cabinet cooling solutions. The air inlet is at the bottom
of the cabinet. The outlet is on the roof or on the upper part of the door if room height is
limited.
Generic cabinet planning instructions 39
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Страница 163: ...R11 with option E208 0H371 H356 0H354 H370 Dimension drawings 163 ...
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Страница 167: ...R11 with option B051 P906 Dimension drawings 167 ...
Страница 186: ... Declaration of conformity 186 The Safe torque off function ...
Страница 206: ...Dimension drawing 206 External control unit option P906 ...
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