5.2 Electrical
Installation
5.2.1 Cables General
NOTE
For the VLT
®
Refrigeration Drive FCR 103 High Power series
mains and motor connections, see VLT
®
Refrigeration Drive
110-250 kW, MG16F.
NOTE
Cables General
All cabling must comply with national and local
regulations on cable cross-sections and ambient
temperature. Copper (60/75 °C) conductors are
recommended.
Power [kW]
Torque [Nm]
Enclo-
sure
200-240
V
380-480
V
Mains
Motor
DC
connection
Brake
Earth
Relay
A2
1.1-3.0
1.1-4.0
1.8
1.8
1.8
1.8
3
0.6
A3
3.7
5.5-7.5
1.8
1.8
1.8
1.8
3
0.6
A4
1.1-2.2
1.1-4 kW
1.8
1.8
1.8
1.8
3
0.6
A5
1.1-3.7
1.1-7.5
1.8
1.8
1.8
1.8
3
0.6
B1
5.5-11
11-18.5
1.8
1.8
1.5
1.5
3
0.6
B2
-
15
22
30
4.5
4.5
2)
4.5
4.5
2)
3.7
3.7
3.7
3.7
3
3
0.6
0.6
B3
5.5-11
11-18.5
1.8
1.8
1.8
1.8
3
0.6
B4
11-18.5
18.5-37
4.5
4.5
4.5
4.5
3
0.6
C1
18.5-30
37-55
10
10
10
10
3
0.6
C2
37-45
75-90
14/24
1)
14/24
1)
14
14
3
0.6
C3
18.5-30
37-55
10
10
10
10
3
0.6
C4
30-45
55-90
14/24
1)
14/24
1)
14
14
3
0.6
High Power
Enclo-
sure
380-480
V
Mains
Motor
DC
connection
Brake
Earth
Relay
D1/D3
110-132
19
19
9.6
9.6
19
0.6
D2/D4
160-250
19
19
9.6
9.6
19
0.6
Table 5.7 Tightening of Terminals
1) For different cable dimensions x/y, where x ≤ 95 mm
2
and y ≥ 95
mm
2
2) Cable dimensions above 18.5 kW
≥
35 mm
2
and below 22 kW
≤
10 mm
2
How to Install
VLT
®
Refrigeration Drive Design Guide
62
MG16G102 - VLT
®
is a registered Danfoss trademark
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