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7.2 Connections - Unit Sizes 4, 5 and 6
7.2.1 Torque
When tightening all electrical connections it is very important to tighten with
the correct torque. Too low or too high torque results in a bad electrical con-
nection. Use a torque wrench to ensure correct torque
Illustration 7.18: Always use a torque wrench to tighten the
bolts.
Unit Size
Terminal
Torque
Bolt size
41, 42, 43 and 44
Mains
Motor
19 Nm (168 in-lbs)
M10
Load sharing
Brake
9.5 Nm (84 in-lbs)
M8
51 and 52
Mains
Motor
Load sharing
19 NM (168 in-lbs)
M10
Brake
9.5 Nm (84 in-lbs)
M8
61, 62, 63 and 64
Mains
Motor
19 Nm (168 in-lbs)
M10
Load sharing
Brake
Regen
19 Nm (168 in-lbs)
9.5 Nm (84 in-lbs)
19 Nm (168 in-lbs)
M10
M8
M10
Table 7.1: Torque for terminals
7.2.2 Power Connections
Cabling and Fusing
NB!
Cables General
All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. UL applications require 75 °C copper conductors.
75 and 90 °C copper conductors are thermally acceptable for the frequency converter to use in non UL applications.
The power cable connections are situated as shown below. Dimensioning of cable cross section must be done in accordance with the current ratings and local
legislation. See the
Specifications section
for details.
For protection please see fuse in the tables of the fuse section. Always ensure that proper fusing is made according to local regulation.
AF-650 GP Design Guide
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Содержание AF-650 GP Series
Страница 5: ...AF 650 GP Design Guide 4 1...
Страница 53: ...AF 650 GP Design Guide 52 4...
Страница 97: ...Please note airflow directions 6 1 5 Mechanical Dimensions AF 650 GP Design Guide 96 6...
Страница 98: ...Please note airflow directions AF 650 GP Design Guide 97 6...
Страница 99: ...Please note airflow directions AF 650 GP Design Guide 98 6...
Страница 100: ...Please note airflow directions AF 650 GP Design Guide 99 6...
Страница 173: ...Max cable length 150 m AF 650 GP Design Guide 172 9...
Страница 179: ...AF 650 GP Design Guide 178 9...