Connecting The Motor; Connecting Ac Mains - Danfoss iC2-Micro Series Design Manual

Design Guide | iC2-Micro Frequency Converters
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1
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Figure 47: Mains, Motor, and Grounding Connection for 3-phase Units (Taking MA02a as an Example)
1 Grounding
3 Motor

Connecting the Motor

7.10.2
INDUCED VOLTAGE
Induced voltage from output motor cables that run together can charge equipment capacitors, even with
the equipment turned off and locked out/tagged out. Failure to run output motor cables separately, or to use
shielded cables, could result in death or serious injury.
Run output motor cables separately or use shielded cables.
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Simultaneously lock out/tag out all the drives.
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Comply with local and national electrical codes for cable sizes. For maximum cable sizes, see
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Follow motor manufacturer wiring requirements.
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Motor wiring knockouts or access panels are provided at the base of IP21/Type 1 units.
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Do not wire a starting or pole-changing device (for example, Dahlander motor or slip ring induction motor) between the drive and
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the motor.

Connecting AC Mains

7.10.3
Size the wiring based on the input current of the drive. For maximum wire sizes, see
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Comply with local and national electrical codes for cable sizes.
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1.
Connect the AC input power cables to terminals N and L for single-phase units, or to terminals L1, L2, and L3 for 3-phase units as
shown in (see
Figure 48
Danfoss A/S © 2024.08
7.10.1 Mains, Motor, and Grounding
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3
2 Mains
WARNING
4.4 Power
Connection for more details).
Electrical Installation Considerations
4.4 Power Connectors.
Connectors.
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