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7.1.3 Power Connections 12-Pulse Adjustable Frequency Drives
NOTICE!
All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. UL
applications require 167°F [75
°
C] copper conductors. Non-UL applications can use 167°F and 194°F [75 and 90
°
C] copper
conductors.
The power cable connections are situated as shown in
. Dimensioning of cable cross-section must be done in
accordance with the current ratings and local legislation. See
chapter 7.8 EMC-compatible Installation
for correct
dimensioning of motor cable cross-section and length.
For protection of the adjustable frequency drive, use the recommended fuses unless the unit is fitted with built-in fuses.
Recommended fuses can be seen in
. Always ensure that fusing complies with local regulations.
The AC line input connection is fitted to the line power switch if included.
6 Phase
power
input
130BB693.10
91-1 (L1-1)
92-1 (L2-1)
93-1 (L3-1)
91-2
92-2
93-2
95 PE
(L2-2)
(L1-2)
(L3-2)
Figure 7.31 AC line input connections
NOTICE!
For more information, see
chapter 7.8 EMC-compatible Installation
.
Electrical Installation
Design Guide
MG34S222
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
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Summary of Contents for VLT AutomationDrive FC 300
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