3.3 Electrical Installation
3.3.1 Cables General
CAUTION
Cables general:
Always comply with national and local regulations on cable cross-sections.
Frame
size
200-240 V
[kW]
380-500 V
[kW]
525-690 V
[kW]
Cable for
Tightening torque
[Nm]
B1
5.5-7.5
11-15
15
Mains, motor cables
1.8
Relay
0.5-0.6
Ground
2-3
B2
11
18.5-22
18.5-22
Mains
4.5
Motor cables
4.5
Relay
0.5-0.6
Ground
2-3
B3
5.5-7.5
11-15
15
Mains, motor cables
1.8
Relay
0.5-0.6
Ground
2-3
B4
11-15
18.5-30
18.5-22
Mains, motor cables
4.5
Relay
0.5-0.6
Ground
2-3
C3
18.5-22
-
-
Mains, motor cables
10
Relay
0.5-0.6
Ground
2-3
Table 3.6 Tightening Torque
3.3.2 Removal of Knockouts for Extra Cables
•
Remove cable entry from the frequency converter (avoiding foreign parts in the frequency converter when
removing knockouts)
•
Support cable entry around the knockout that should be removed
•
The knockout can now be removed with a strong mandrel and a hammer
•
Remove burrs from the hole
•
Mount cable entry on frequency converter
How to Install
Operating Instructions
MG34M422
Danfoss A/S © Rev. 2013-07-03 All rights reserved.
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Summary of Contents for VLT CDS 303
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