INSTALLATION
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5
5.4.1
Installation of input chokes
There are two types of input choke connection in Vacon NX Liquid-Cooled drives. The two smallest sizes
(CH31, CH32; up to 61A) have terminal block connection whereas bigger sizes use busbar connection.
Examples of both connections and the choke dimensions below.
Figure 5-27. Example of input chokes for Vacon NX Liquid-Cooled. Sizes up to 62A
Figure 5-28. Example of input chokes for Vacon NX Liquid-Cooled. Sizes 87A…145A and 590A
Choke type
H1
[mm]
H2
[mm]
W1
[mm]
W2
[mm]
D1
[mm]
D2
[mm]
S1
[mm]
S2
[mm]
Weight
[kg]
CHK0023N6A0 178 140 230 210 121 82 9*14
(4pcs)
10
CHK0038N6A0 209 163 270 250 NA NA 9*14
(6pcs)
15
CHK0062N6A0 213 155 300 280 NA NA 9*14
(4pcs)
20
CHK0087N6A0 232 174 300 280 170
9*14 (4pcs)
Ø9 (6 pcs)
26
CHK0145N6A0 292 234 300 280 185
9*14 (4pcs)
Ø9 (6 pcs)
37
CHK0590N6A0 519
394 316 272 165 10*35
(4pcs)
Ø11
(6
pcs) 125
Table 5-18. Choke dimensions; Sizes 23A…145A and 590A
W1
W2
H1
H2
D1
D2
S1
Z W Y V X U
23a.fh8
W1
H1
W2
D1
D2
S2
S1
220a.fh8
H2
Mains
Converter