Siemens SION 3AE6113-0, Operating Instructions Manual

Page: 43 / 60

Installation
9229 0020 176 0B 43
2019-04-02
Tightening torque for
- M12: 40 ±4 Nm
- M8: 24 ±4 Nm
Tightening torques apply to greased threads only.
Securing with a spiral
spring pin
The busbars can be secured against twisting with a spiral spring pin according to
ISO 8748 or a spring pin according to ISO 8752 — 4 × X*
)
mm — N — C.
A drill hole Ø 4H11 must be provided in the conductor bar (see Fig 58, horizontal ar-
row).
See dimension drawings.
*
)
X = Length of the spring pin, depending on the cross-section of the busbar in mm
Fig. 58 Assembly with spiral spring pin. Example for
800 A, upper connection Fig. 59 Conductor bars (angled) installed vertically.
Example for 1 250 A