Electrical Connection; Safety Instructions Relating To The Electrical Connection - Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions

Electrical connection

When carrying out any work on the machine, observe the general safety instructions
(Page 13) and the specifications contained in DIN EN 50110‑1 as regards working safely with
and on electrical machines.
Note
Service Center
If you require support when electrically connecting up the motor, please contact the Service
Center (Page 123) .
6.1

Safety instructions relating to the electrical connection

Correct fixing accessories and tightening torques
If you use fixing elements made from the wrong material or apply the wrong tightening torque,
this could impair current transfer or cause connecting parts to become loose. Fastening
elements can work loosely, so that the minimum air clearances are no longer maintained.
Sparking formation may occur, in an explosive atmosphere it can lead to an explosion. This
could result in death, serious injury or material damage to the machine or even in failure,
which could in turn lead indirectly to material failure of the system.
● Tighten the screwed connections to the specified tightening torques.
● Observe any specifications regarding the materials from which fixing elements must be
● When performing servicing, check the fastenings.
See also
Tightening torques for screw and bolt connections (Page 52)
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
WARNING
made.
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