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● the electrical connections in the terminal box are tight and are in full compliance with the
● the required clearances in air of 10 mm are maintained.
● no wire ends are standing proud.
● The inside of the terminal box must be clean and free of any pieces of cable.
● all seals and sealing surfaces are not damaged.
● the connecting cables are laid in an open arrangement and the cable insulation cannot be
● cable entries which are not used are sealed and the plugs are tightly screwed in (i.e. so
● the right cable glands are fitted with respect to the correct degree of protection, method of
Then close the terminal box.
Table 3-5
Bolt
M6
M8
M10
[ID: 335.01]
3.3.3
Connecting the ground conductor
General
The cross-section of the ground conductor of the motor must comply with the regulations for
electrical installations, e.g. DIN EN IEC 60204-1.
Wiring
Connect-up the ground-conductor in the motor terminal box. For this purpose, a clamping lug
is provided at the appropriately marked connecting point for the ground conductor This lug
can be used for connecting stranded conductors with cable lugs or ribbon cables with an
appropriately shaped conductor end.
When making connections, ensure that
● The contact surface is clean and protected with a suitable anti-corrosion agent (e.g. acid-
● the flat and spring washers are located under the bolt head.
● the minimum necessary screw-in depth and the tightening torque for the clamping bolts
Mandatory tightening torques:
A5E00215731A AD
Siemens AG Operating Instructions 2.02 1PL618
specifications above.
damaged.
that they can only be removed using the suitable tools).
laying, permissible cable diameter etc., as stated in the specifications.
Tightening torque for the fixing screws on the lid
Terminal box type
1XB7 322
1XB7 422
1XB7 700
free Vaseline).
must be maintained.
Transport, assembly, and connection
3.3 Electrical connection
Tightening torque
4.5 Nm
11 Nm
22 Nm
31
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