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CABLING AND CONNECTIONS
6.1.1.2
DC supply and brake resistor cables
Vacon AC drives are equipped with terminals for the DC supply and an optional external brake resistor.
These terminals are marked with B–, B+/R+ and R–. The DC bus connection is made to terminals B– and
B+ and the brake resistor connection to R+ and R–. Note that the DC connection is optional for drives
greater than FR8.
6.1.1.3
Control cable
For information on control cables see Chapter 6.2.1.1 and Table 6-1.
6.1.1.4
Cable and fuse sizes, NX_2 and NX_5, FR4 to FR9
The table below shows typical cable sizes and types that can be used with the converter. The final selection
should be made according to local regulations, cable installation conditions and cable specification.
Frame
FR4
NX0004 2—0008 2
NX0003 5—0009 5
NX0011 2—0012 2
NX0012 5
FR5
NX0017 2
NX0016 5
NX0025 2
NX0022 5
NX0031 2
NX0031 5
FR6
NX0048 2
NX0038 5—0045 5
NX0061 2
NX0061 5
FR7
NX0075 2
NX0072 5
NX0088 2
NX0087 5
NX0114 2
NX0105 5
FR8
NX0140 2
NX0140 5
NX0170 2
NX0168 5
NX0205 2
NX0205 5
FR9
NX0261 2
NX0261 5
NX0300 2
NX0300 5
Table 6-2. Cable and fuse sizes for Vacon NXS2 and NX_5 (FR4 to FR9)
See chapter 1.3.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
I
Type
L
[A]
3—8
3—9
11—12
12
17
16
25
22
32
31
48
38—45
61
75
72
88
87
114
105
140
168
205
261
300
Mains and
Fuse
motor cable
[A]
Cu [mm
2
]
10
3*1.5
+ 1.5
16
3*2.5
+ 2.5
20
+ 4
3*4
25
+ 6
3*6
35
+ 10
3*10
50
+ 10
3*10
63
+ 16
3*16
80
+ 16
3*25
100
+ 16
3*35
125
+ 25
3*50
160
3*70
+ 35
200
3*95
+ 50
250
3*150
+ 70
315
3*185+95 or
2*(3*120+70)
315
2*(3*120+70)
vacon • 45
Terminal cable size
Main terminal
Earth terminal
2
[mm
]
[mm
1—4
1—4
1—4
1—4
1—10
1—10
1—10
1—10
1—10
1—10
2.5—50 Cu
2.5—35
6—50 Al
2.5—50 Cu
2.5—35
6—50 Al
2.5—50 Cu
6—70
6—50 Al
2.5—50 Cu
6—70
6—50 Al
2.5—50 Cu
6—70
6—50 Al
25—95 Cu/Al
25—95
95—185 Cu/Al
25—95
95—185 Cu/Al
25—95
95—185 Cu/Al 2
5—95
95—185 Cu/Al 2
5—95
2
]
6
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