
TECHNICAL DATA vacon • 15
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4.1.2 Vacon NXC Regenerative low harmonic drives – Mains voltage 380—500 V
High overload = Max current I
S
, 2 sec/20 sec, Rated overload current, 1 min/10 min
Following continuous operation at rated output current, rated overload current
for 1 min, followed by a period of load current less than rated current, and of
such duration that the r.m.s output current, over the duty cycle, does not exceed
rated output current (IH)
Low overload = Max current I
S
, 2 sec/20 sec, Rated overload current, 1 min/10 min
Following continuous operation at rated output current, rated overload current
for 1 min, followed by a period of load current less than rated current, and of
such duration that the r.m.s output current, over the duty cycle, does not exceed
rated output current (IL)
Mains voltage 380-500 V, 50/60 Hz, 3~
converter
type
power
Frame
Dimensions and
weight*
WxHxD/kg
Rated
contin.
current I
L
(A)
Rated
overload
current
(A)
Rated
contin.
current I
H
(A)
Rated
overload
current
(A)
Max
current
I
S
Low
overload
P(kW)
High
overload
P(kW)
Table 4-2. Power ratings and dimensions of Vacon regenerative low-harmonic drives, supply
voltage 380—500V
Note: The rated currents in given ambient temperatures are achieved only when the switching
frequency is equal to or less than the factory default (automatic thermal management).
*The dimensions indicated are for the basic regenerative low-harmonic IP21 version of the
converter cabinet. Some options increase the width, height or weight of the cabinet. Check the
delivery specific documentation for more details.
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