Unused clamping points
connected the power supply
Suitable covers, e. ADP 1…4, must
be fitted prevent electrical shock
caused through accidental contact
with unused clamping points that
could conduct electricity.0.4
M 2.0
M 2.0
M 3.8
[Nm]
A 2/A 4-80
[Nm]
M 0.g.5…1.2…1.211282250000 2012/2013
.4…0.8…1.6
M 1.5 0.5 0.5 0. The clamping
screws all unused clamping points,
even those isolated from the electricity
supply, must screwed fully home.2…2.
The upper value the permissible
torque range the maximum torque
that may applied the user.9 1.5…0.0…20
M 14.0…31
M 25.45 …
M 0.0…4.5…5.0…6.5…1.6 0.8
M 0.8…1. The values given
in the table are general figures.0…12
M 10.4…0.0…60
Products with screw with hexagon socket
Thread Tightening torque
Non-ferrous screws
Cu (CuZn)
[Nm]
Cu (CuNi 60)
[Nm]
M 2.6
M 1.Installation instructions
Tightening torques for clamping
screws
Tightening the clamping screw with
the appropriate torque guarantees:
• secure and gas-tight connection
• No mechanical damage the
clamping parts
• A voltage drop well below the
permissible limit
The test torque IEC 60947-1 the
torque specified the manufacturer
is the lower value the permissible
torque range.4 …
M 2.0
M 3.0 …
Products with screw with hexagon socket
Thread Tightening torque
Steel screws
[Nm]
M 1.0.
VDE 0105 part 100
Operation power supplies:
work such systems
Perform troubleshooting operations
with 2-pole voltage tester including
test prod IEC 61243-3..
An electric screwdriver should
preferably set torque the
middle the range.6 0.0
M 6.
W
Technicalappendix
W.0…4.0…3.0…4.8 0.0
M 3.0 2.35
M 2.0 0.. 8.g.4
M 2.5…1. The individual measures
to carried out taking into account
the operational and local conditions,
e.2.2.
Products with screw with slotted head
Thread Tightening torque
Steel screws
min. This ensures that all tests
are satisfied.2…2..5…5.8…1..5 0.35 0. Torques
specific the products have been
specified directly for each product.0 …
M 2. exposed high- low voltage lines,
cables switchgear, are specified in
VDE 0105 part 100.2…2.4…0.0
work and guaranteed for the duration
of the work:
• Isolation
• Prevention reconnection
• Verification disconnection
• Earthing and short-circuiting
• Covering guarding of
adjacent parts still connected to
the power supply
These five safety rules represent the
safety measures taken when
working electrical systems and
equipment
