Public low voltage networks. TN (grounded) and IT (ungrounded) sys-
tems. See section Compatibility with IT (ungrounded), corner-grounded
delta, midpoint-grounded delta and TT systems.
Network type
65 kA when protected by the fuses given in the fuse table.Rated conditional
short-circuit current
(IEC 61439-1)
The drive is suitable for use on a circuit capable of delivering not more
than 100,000 rms symmetrical amperes at 480 V maximum when pro-
tected by the fuses given in the fuse table.
Short-circuit current
protection (UL 61800-
5-1)
47…63 Hz. This is indicated in the type designation label as typical input
frequency f1 (50/60 Hz).
Frequency (f
1
)
Max. ± 3% of nominal phase to phase input voltageImbalance
1 (at nominal load)Fundamental power
factor (cos phi
1
)
Technical data 189
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