Connection
7.2 Electrical connection
SIMOTICS M-1FE2 built-in motors
Hardware Installation Manual, 04/2020, A5E50074509B AA
139
7.2 Electrical connection
7.2.1 Safety information
Motor destruction caused by incorrect connection
The direct connection to the three-phase line supply damages the motor.
• Connect the motor only at the configured converter.
• Observe the correct phase sequence.
7.2.2 High-voltage test
A dangerous voltage is present at the motor during a high-voltage test. Death or serious
injury can result when live parts are touched.
• Do not touch any live parts.
• Adhere to the fundamental safety instructions.
Destruction of electronic components and damage to the insulation
A high-voltage test on the motor can damage the insulation of the motor and destroy
electronic components, e.g. temperature sensors.
• Use maximum 80% of the test voltage in accordance with EN 60034-1.
• Prior to the test, short-circuit the cable ends of the temperature sensors.
Before being shipped, the stators of the built-in motors are subject to a high-voltage test in
compliance with EN 60034-1.
However, the Standards Commission recommends that when electrical components (such
as built-in motors) are installed, a new high-voltage test according to EN 60034-1 should be
performed after the final assembly has been completed.
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