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Cable and fuse sizes, nx_6, fr10 to fr12, Understanding the power unit topology – TREND NX Variable Speed Drives User Manual

Page 61

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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