Vacon NX User Manual page 67

INSTALLATION
Table 29. Choke dimensions; Sizes 261 A...1150 A
H1 H2
Choke type
[mm] [mm]
CHK0261N6A0 319 357
CHK0400N6A0 383 421
CHK0520N6A0 399 446
CHK0650N6A0 449 496
CHK0750N6A0 489 527
CHK0820N6A0 491 529
CHK1030N6A0 630 677
CHK1150N6A0 630 677
If you have ordered the input chokes for Vacon NX Liquid-Cooled separately pay attention to the
following instructions:
1. Protect the chokes from dripping water. You may even need to use plexiglass for
protection because jets of water may occur when working with the connections.
2. Connection of cables:
Types CHK0023N6A0, CHK0038N6A0, CHK0062N6A0 (chokes with terminal blocks)
The terminals are marked with letters U,V,W and X,Y and Z in such an order, however,
that terminals U and X, V and Y as well as W and Z form pairs of which one is an input and
the other an output. Furthermore, terminals U,V and W must all be used as either input
or output. The same applies to terminals X, Y and Z. See Figure 33.
Example: If you connect the mains cable of one phase to terminal X, the other two phases
must be connected to Y and Z. Accordingly, the choke output cables are connected to
their corresponding input pairs: phase 1  U, phase 2  V and phase 3  W.
Other types (chokes with busbar connection)
Connect the mains cables to the upper busbar connectors (see Figure 34 and Figure 35)
with bolts. The cables to the frequency converter are bolted to the lower connectors. See
Table 27 and Table 29 for bolt sizes.
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W1 W2 W3 W4
[mm] [mm] [mm] [mm]
354 150 275 120
350 150 275 120
497 200 400 165
497 200 400 165
497 200 400 165
497 200 400 165
497 200 400 165
497 200 400 165
D1 D2 D3
S1
[mm] [mm] [mm]
9*14
230 206 108
(8 pcs)
9*14
262 238 140
(8 pcs)
Ø13
244 204 145
(8 pcs)
Ø13
244 206 145
(8 pcs)
Ø13
273 231 170
(8 pcs)
Ø13
273 231 170
(8 pcs)
Ø13
307 241 170
(8 pcs)
Ø13
307 241 170
(8 pcs)
vacon • 65
S2 Weight
Ø [kg]
9*14
53
(9 pcs)
11*15
84
(9 pcs)
11*15
115
(9 pcs)
11*15
130
(9 pcs)
13*18
170
(9 pcs)
13*18
170
(9 pcs)
13*18
213
(36 pcs)
13*18
213
(36 pcs)
5