Siemens 3TM Інструкція з експлуатації Посібник з експлуатації - Сторінка 32
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Installation
Functional check with ap-
plied low voltage
Upper and lower terminals
Fig. 32
Screw-in depths
32
When low voltage is applied, the release, closing, and opening of the vacuum con-
tactor can be checked.
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).
Electrical connection of the prime conductor
Connection variants:
•
Busbars
•
Power cable with cable lug
Note
Clean the cable lugs or busbars and grease with Vaseline prior to installation.
Note
The contact surfaces of the terminals must not be damaged
Observe the use of M10 threads and screw-in depths of 20 mm to 25 mm
Tightening torque 35 Nm
For installation dimensions, see "Dimensional drawings", p. 21.
M10
20-25 mm
M10
20-25 mm
Fig. 33
Dimensional drawing of upper and lower ter-
minals
9229 0098 176 0-
2019-01-09