Technical data
vacon • 67
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
7
7.3
VACON
®
20 X - technical data
Table 32. VACON
®
20 X technical data.
Mains connection
Input voltage U
in
3AC 208…240V
1AC 208...240V
3AC 380...480V
Input voltage tolerance -15%…+10% continuously
Input frequency
50/60 Hz
Input frequency toler-
ance
45…66 Hz
Protection class
I
Connection to mains
Once per minute or less
Starting delay
4 s
Supply network
IT and TN-networks (cannot be used with cor-
ner earthed networks)
Short-circuit current
Maximum short-circuit current has to be
<50kA
DC connection
Available as standard in MU2 single-phase
enclosures and MU3
Motor connection
Output voltage
3AC 0…U
in
Rated output current
I
N
: Ambient temperature max. +40°C.
See Table 27 and Table 29.
Overload output current 1.5 x I
N
(1 min/10 min)
Starting current
I
S
for 2 s every 20 s (I
S
= 2.0 * I
N
)
Output frequency
0…320 Hz
Frequency resolution
0.01 Hz
Protection class
I
Motor characteristics
AC squirrel cage motors
Permanent magnet motors
Cable type
Screened motor cable
Cable maximum length 30 m
Control
characteristics
Switching frequency
Programmable 2…16 kHz;
Default 6 kHz.
Automatic switching frequency derating in
case of overheating
Frequency reference:
Analogue input
Panel reference
Resolution ±0.05% (11-bit), accuracy ±1%
Resolution 0.01 Hz
Field weakening point
8…320 Hz
Acceleration time
0.1…3000 sec
Deceleration time
0.1…3000 sec
Braking
Brake chopper standard in all three-phase
enclosures. External brake resistor optional.
Control
connections
See Chapter 5.
