TREND NX Variable Speed Drives - Manual (Page 61)

44 • vacon CABLING AND CONNECTIONS
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
6
6.1.1.7 Cable and fuse sizes, NX_6, FR10 to FR12
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 Type
I
L
[A]
Fuse I
n
[A]
Mains and motor cable 1)
[mm 2 ]
No of
supply
cables
No of
motor
cables
NX0261 6 261 400
Cu: 3*185+95
Al: 2*(3*95Al+29Cu)
Even/Odd Even/Odd
NX0325 6 325 500
Cu: 2*(3*95+50)
Al: 2*(3*150Al+41Cu)
Even/Odd Even/Odd
NX0385 6 385 630
Cu: 2*(3*120+70)
Al: 2*(3*185Al+57Cu)
Even/Odd Even/Odd
FR10
NX0416 6 416 630
Cu: 2*(3*150+70)
Al: 2*(3*185Al+57Cu)
Even/Odd Even/Odd
NX0460 6 460 800
Cu: 2*(3*150+70)
Al: 2*(3*240Al+72Cu)
Even Even/Odd
NX0502 6 502 800
Cu: 2*(3*185+95)
Al: 2*(3*300Al+88 Cu)
Even Even/Odd
FR11
NX0590 6 590 1000
Cu: 2*(3*240+120)
Al: 4*(3*120Al+41Cu)
Even Even/Odd
NX0650 6 650 1000
Cu: 4*(3*95+50)
Al: 4*(3*150Al+41Cu)
Even Even
NX0750 6 750 1250
Cu: 4*(3*120+70)
Al: 4*(3*150Al+41Cu)
Even Even
FR12
NX0820 6 820 1250
Cu: 4*(3*150+70)
Al: 4*(3*185Al+57Cu)
Even Even
Table 6-5. Cable and fuse sizes for Vacon NX_6 (FR10 to FR12)
1) based on correction factor 0.7
6.1.2 Understanding the power unit topology
Figure 6-1 shows the principles for mains and motor connections of the basic 6-pulse drive in frame sizes
FR4 to FR12.
Figure 6-1. Topology of mechanical sizes FR4 – FR12
M M M
nk6_1 8.fh8
FR4-9/FR10
Single input
Single output FR11*
Double input*
Single output FR12
Double input
Double output
Note!
Min cable
length 5m
*The FR11 types 0460 6 and 0502 6 have single input terminals