l
Conductor sizing is based on NEC table 310.15(B)(16) with a correction factor for an ambient temperature of 40 °C (104 °F).
l
For parallel multicore cable installations: multicore cables listed in the recommendation list must be installed on raceways or they
must not be stacked or bundled longer than 600 mm (24 in) without maintaining spacing.
l
In other conditions, refer to local safety regulations, the input voltage, and the load current of the drive.
6.2
Grounding Principles
Ground the AC drive in accordance with applicable standards and directives.
According to IEC 60364-5-54; 543.1, unless local wiring regulations state otherwise, the cross-sectional area of the protective grounding
conductor must be at least ½ times of the phase conductor and made of the same material when the phase conductor cross-section is
above 35 mm
2
(AWG 2).
The connection must be fixed.
6.3
Grounding the Products
1.
Ground the products at the grounding spots.
See
.
1
2
e3
0b
l3
22
.1
0
Figure 17: Grounding Stud of the Inverter Module and Grounding Terminal of the LCL Filter
1
Grounding stud
2
Grounding terminal
6.4
Prerequisites for Cable Installation
32
| Danfoss Drives Oy © 2024.03 AJ389643111587en-000101 / 172F6361A
Design Guide | iC7 Series Air-cooled System Modules