Specifications

5.2.8 Power Connections 12-Pulse Frequency Converters
NOTICE
All cabling must comply with national and local
regulations on cable cross-sections and ambient
temperature. UL applications require 75 °
°
C copper
conductors. Non-UL applications can use 75 and 90
°
C
copper conductors.
The power cable connections are situated as shown in
Illustration 5.81. Dimensioning of cable cross section must
be done in accordance with the current ratings and local
legislation. See 8.1 General Specifications for correct
dimensioning of motor cable cross-section and length.
For protection of the frequency converter, use the
recommended fuses unless the unit is fitted with built-in
fuses. Recommended fuses can be seen in 5.2.9 Fuses .
Always ensure that fusing complies with local regulations.
The mains connection is fitted to the mains 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
95PE
(L2-2)
(L1-2)
(L3-2)
Illustration 5.81 Mains Connection
NOTICE
For more information, see 5.7 EMC-correct Installation.
How to Install VLT® HVAC Drive FC 102 Design Guide
132 MG16C102 - Rev. 2013-08-20
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