Connecting The Ground Conductor - Siemens 1PH728 Operating Instructions Manual

Note
Connecting points are provided on the enclosure or end shield to allow an outer PE
conductor or equipotential bonding conductor to be connected (see section entitled

"Connecting the ground conductor").

Final checks
Before closing the terminal box, please check that:
• the electrical connections in the terminal box are tight and are in full compliance with the
specifications above.
• the required clearances in air of 10 mm are maintained.
• no wire ends are standing proud.
• the inside of the terminal box is clean and free of any cable pieces.
• all seals and sealing surfaces are not damaged.
• the connecting cables are laid in an open arrangement and the cable insulation cannot be
damaged.
• cable entries which are not used are sealed and the plugs are tightly screwed in (i.e. so
that they can only be removed using the suitable tools).
• the right cable glands are fitted with respect to the correct degree of protection, method of
laying, permissible cable diameter etc., as stated in the specifications.
Then close the terminal box.
Note
Tightening torque for the fixing screws on the lid: 22 Nm
[ID: 332.01]
3.6 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.
Connecting
Connect the ground conductor to the end shield of the motor. For this purpose, a clamping
lug is provided at the appropriately marked connecting point for the ground conductor (1 +
2). This lug is suitable for connecting stranded conductors with cable lugs or ribbon cables
with an appropriately shaped conductor end.
Siemens AG A5E00177602A
Operating Instructions V 2.0 1PH728
Installation / Assembly
3.6 Connecting the ground conductor
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