5 Electrical installation
5.1 How to connect
5.1.1 Cables General
NOTE!
Always comply with national and local regulations on cable cross-sections.
Details of terminal tightening torques.
Power (kW)
Torque (Nm)
Enclosure
200–240 V
380–480 V
525–600 V
Line
Motor
DC connec-
tion
Brake
Ground
Relay
A2
0.25–3.0
0.37–4.0
1.8
1.8
1.8
1.8
3
0.6
A3
3.7
5.5–7.5
0.75–7.5
1.8
1.8
1.8
1.8
3
0.6
A5
0.25–3.7
0.37–7.5
0.75–7.5
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
11–18.5
1.8
1.8
1.8
1.8
3
0.6
B4
11–18.5
18.5–37
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
14
24
14
14
14
14
3
3
0.6
0.6
C3
18.5–30
37 - 55
37 - 55
10
10
10
10
3
0.6
C4
30 - 45
55 - 90
55 - 90
14/24
1
14/24
1
14
14
3
0.6
Table 5.1: Tightening of terminals
1. For different cable dimensions x/y where x
≤
0.147 in
2
[95 mm
2
] and y
≥
0.147 in
2
[95 mm
2
].
2. Cable dimensions above 18.5 kW
≥
0.0542 in
2
[35 mm
2
] and below 22 kW
≤
0.0155 in
2
[10 mm
2
]
5.1.2 Enclosure Knock-outs
Figure 5.1: Cable entry holes for enclosure B1. The sugges-
ted use of the holes are purely recommendations, and other
solutions are possible.
Figure 5.2: Cable entry holes for enclosure B2. The sugges-
ted use of the holes are purely recommendations, and other
solutions are possible.
VLT
®
AQUA Drive
Instruction Manual
5 Electrical installation
MG.20.M5.22 - VLT
®
is a registered Danfoss trademark
5-1
5