Power Supply - ABB FlexMT Product Manual

2.3.1 Power supply

Power supply conductors shall be connected directly on the supply disconnecting
device, QL1. No cable lugs or compression sleeves are required for Cu cables.
The supply disconnecting device is located inside the control panel on the left hand
side.
The disconnecting device is only suitable for Cu cable. If Al-cable is used, an Al/Cu
adaptor terminal must be used (e.g. Elpress type AKP).
If a screened or armored cable is used it shall be symmetrically designed. Chose
conductor area depending on your environment and cable routing.
Power supply cable is routed through a cable flange situated in the roof of the
control cabinet.
POWER SUPPLY 3x 380...400V 50Hz
Maximum short-circuit current 10kA. Required line fusing: Circuit breaker with
minimum characteristic C or better. Max. fuse 40A
POWER SUPPLY 3x 440...480V 60Hz
Maximum short-circuit current 10kA. Required line fusing: Circuit breaker with trip
characteristic K. Max. fuse 35A (40A if power limiting switch is used).
3HAC051768-001 Revision: -
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2 Installation
2.3.1 Power supply
45