7
vacon • 55
Technical data
7.3
VACON
®
20 X - technical data
Mains connection
Input voltage U
in
3AC 208…240V
3AC 380...480V
Input voltage tolerance
-15%…+10% continuously
Input frequency
50/60 Hz
Input frequency tolerance 45…66 Hz
Protection class
I
Connection to mains
Once per minute or less
Starting delay
4 s
Supply network
TN-networks (cannot be used with corner
earthed networks)
Short-circuit current
Maximum short-circuit current has to be
<50kA
Motor connection
Output voltage
3AC 0…U
in
Rated output current
I
N
: Ambient temperature max. +40°C.
See Table 19 and Table 20.
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 frames.
External brake resistor optional.
Control
connections
See Chapter 5.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
