2
Safety notes
Warning notes on the motor
Operating Instructions – CM3C63 – 100
12
2.9.3
Disconnecting and connecting plug-in connections while voltage is applied
An electric arc may occur when plug-in connections are disconnected or connected
while voltage is applied (e.g. connection between drive and control). Observe the fol-
lowing to avoid risk of injury, risk of electric shock and damage to property:
•
Ensure that the product is de-energized before disconnecting and connecting the
plug-in connections.
2.9.4
Electrical connection
The connection must be a permanently secure electrical connection (no protruding
wire ends). Use the corresponding cable end equipment. Establish a safe PE connec-
tion. When the motor is connected, the distances to non-insulated and live parts must
not be shorter than the minimum values according to IEC 60664 and national regula-
tions. With low voltage, the distances should be no shorter than the following values,
in compliance with IEC 60664:
Nominal voltage V
N
Distance
≤ 500 V
3 mm
≤ 690 V
5.5 mm
The terminal box must be free from foreign objects, dirt and humidity. Unused cable
entry openings and the connection box itself must be sealed so that they are dust- and
water-proof.
2.10
Warning notes on the motor
Observe the warning safety notes specified on the motor. The following safety notes
can be found on the motor:
Safety note
Meaning
Do not unplug the plug connector while it is energized.
–
17123852
–
–
For motors with BK.. brake:
Adhere to the specified polarity of the power supply of the
BK.. brake. Check the polarity when replacing the brake.
Warning of hot surfaces.
The attached safety notes can become dirty or illegible over time. Always make sure
that safety and operating notes are legible. Replace damaged labels.
26870460/EN – 05/2021
