Installation
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9229 0025 176 0E
2021-11-15
• Place insulating shell (47) onto the rib (arrow a) from the top at a slight angle.
• Push the bottom part of the insulating shell (47) against the pole shell (46) until
it engages audibly.
• Check whether the engaging hooks of the insulating shell (47) have fully
engaged behind the insulation ribs. Engage the hooks by hand if necessary.
Installation of a fixed-mounted circuit-breaker on a horizontal plane
There are 4 mounting holes on the base plate for the various installation types.
Use M10 screws – strength class 8.8 – for fastening. The binding dimension draw-
ings are relevant.
Fixing on the mounting
surface
Use 4 M10 screws and washers to screw the fixed-mounted circuit-breaker onto the
mounting surface from below. Tightening torque 48 ±4 Nm (greased threads only).
Fixing on the withdrawable
part
For fixing to the withdrawable part, remove the cover prior to installation (see “Re-
moving and mounting covers”, page 40) and fix the cable harness in the operating
Fig. 56
Mounting the insulating shells
Fig. 57
Engaging the insulating shells
Fig. 58
Installation for fixed mounting from below
Fig. 59
Installation for fixed mounting from below
48 ±4 Nm
48 ±4 Nm