Cable Types - ABB ACS800 Hardware Manual

Note 2: The table is not intended for transformer selection - that must be done separately.
The following parameters can effect on the correct operation of the protection:
• cable length, i.e. the longer the cable the weaker the fuse protection, as the long cable limits the
fault current
• cable size, i.e. the smaller the cable cross-section the weaker the fuse protection, as the small cable
size limits the fault current
• transformer size, i.e the smaller the transformer the weaker the fuse protection, as the small
transformer limits the fault current
• transformer impedance, i.e. the higher the z
limits the fault current.
The protection can be improved by installing a bigger supply transformer and/or bigger cables, and in
most cases by selecting aR fuses instead of gG fuses. Selection of smaller fuses improves the
protection, but may also affect the fuse life time and lead to unnecessary operation of the fuses.
In case of any uncertainty regarding the drive protection, please contact your local ABB.

Cable types

The table below gives copper and aluminium cable types for different load currents.
Cable sizing is based on max. 9 cables laid on a cable ladder side by side, ambient
temperature 30 °C, PVC insulation, surface temperature 70 °C (EN 60204-1 and
IEC 60364-5-52/2001). For other conditions, size the cables according to local
safety regulations, appropriate input voltage and the load current of the drive.
Copper cables with concentric
Max. load
current
56
71
88
107
137
167
193
223
255
301
274
334
386
446
510
602
579
669
765
903
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
copper shield
Cable type
2
A mm
3×16
3×25
3×35
3×50
3×70
3×95
3×120
3×150
3×185
3×240
2 × (3×70)
2 × (3×95)
2 × (3×120)
2 × (3×150)
2 × (3x185)
2 × (3×240)
3 × (3×120)
3 × (3×150)
3 × (3×185)
3 × (3×240)
the weaker the fuse protection as high impedance
k
Aluminium cables with concentric
copper shield
Max. load Cable type
current
A mm
69 3×35
83 3×50
107 3×70
130 3×95
151 3×120
174 3×150
199 3×185
235 3×240
214 2 × (3×70)
260 2 × (3×95)
302 2 × (3×120)
348 2 × (3×150)
398 2 × (3×185)
470 2 × (3×240)
522 3 × (3×150)
597 3 × (3×185)
705 3 × (3×240)
3BFA 01051905 C
2
Technical data
117