Routing the cables
￭ General guidelines – IEC
• Route the motor cable away from other cables. Motor cables of several drives can
be run in parallel installed next to each other.
• Install the motor cable, input power cable and control cables on separate trays.
• Avoid long parallel runs of motor cables with other cables.
• Where control cables must cross power cables, make sure that they are arranged
at an angle as near to 90 degrees as possible.
• Do not run extra cables through the drive.
• Make sure that the cable trays have good electrical bonding to each other and to
the grounding electrodes. Aluminum tray systems can be used to improve local
equalizing of potential.
The following figure illustrates the cable routing guidelines with an example drive.
Note: When motor cable is symmetrical and shielded and it has short parallel runs with
other cables (< 1.5 m / 5 ft), distances between the motor cable and other cables can
be reduced by half.
min. 200 mm (8 in)
90°
*min. 500 mm (20 in)
1
2
3
3
2
1
4
min. 300 mm (12 in)
2
4
3
min. 300 mm (12 in)
*
Motor cable1
Input power cable2
Control cable3
Brake resistor or chopper cable (if any)4
￭ General guidelines – North America
Make sure that the installation is in accordance with national and local codes. Obey
these general guidelines:
Guidelines for planning the electrical installation 53
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