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Electrical connection
Observe the following when carrying out any work on the machine:
● Comply with the general safety instructions (Page 11).
● Comply with the applicable national and sector-specific regulations.
● When using the machine within the European Union, comply with the specifications laid
down in EN 50110-1 regarding safe operation of electrical equipment.
Hazardous voltages on electrical connections
Dangerous voltages can arise on electric motors. Death, injury or material damage can
occur. Observe the following safety information before connecting up the motor:
● Only qualified personnel should carry out work.
● Carefully follow the 5 safety rules (Page 11).
● Disconnect the machine from the power supply and take measures to prevent it being
reconnected. This also applies to auxiliary circuits.
● Check that the machine really is in a no-voltage condition.
● Ensure that there is a safe and reliable protective conductor connection before starting
any work.
● If the incoming power supply system displays any deviations from the rated values in
terms of voltage, frequency, curve form or symmetry, such deviations will increase the
temperature and influence electromagnetic compatibility.
● Operating the machine on a line supply system with a non-grounded neutral point is only
permitted over short time intervals that occur rarely, e.g. the time leading to a fault being
eliminated (ground fault of a cable, IEC/EN 60034-1).
Note
Service Center
If you require support when electrically connecting up the machine, please contact the
Service Center.
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
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