Installation
9229 0106 176 0-
33
2020-09-18
Functional check with
applied low voltage
When low voltage is applied, the release, closing, and opening of the vacuum con-
tactor can be checked.
Electrical connection of the main conductors
Connection variants:
• Conductor bars
• Power cable with cable lug
Clean the cable lugs or conductor bars and grease with Vaseline prior to installation.
The contact surfaces of the terminals must not be damaged
Upper and lower terminals
Observe the use of M10 threads and screw-in depths of 20 mm to 25 mm
Tightening torque 35 Nm
For installation dimensions, see “Dimension drawings”, p. 24.
DANGER
Danger to life – high voltage!
Closing without safety precautions can result in death or serious injury.
Test the vacuum contactor in the switchbay with high voltage applied only after
faultless functioning has been ascertained (see “Commissioning”, p. 29).
Fig. 36
Screw-in depths
Fig. 37
Dimensional drawing of upper and lower ter-
minals
20-2
5 m
m
20-25 mm
20-25 mm
M10
M10
Summary of Contents for 3TM
Page 12: ...Transport storage packaging 12 9229 0106 176 0 2020 09 18 Blank page ...
Page 26: ...Description 26 9229 0106 176 0 2020 09 18 Blank page ...
Page 36: ...Installation 36 9229 0106 176 0 2020 09 18 Blank page ...
Page 48: ...Maintenance 48 9229 0106 176 0 2020 09 18 Blank page ...
Page 50: ...Index 50 9229 0106 176 0 2020 09 18 Blank page ...