322
Frequency inverters
Connections for braking units
AC reactor
200 V class
400 V class
Max. applicable
motor output kW
Current value
A
Inductance
mH
Max. applicable
motor output kW
Current value
A
Inductance
mH
0.4
2.5
4.2
0.4
1.3
18.0
0.75
5
2.1
0.75
2.5
8.4
1.5
10
1.1
1.5
5
4.2
2.2
15
0.71
2.2
7.5
3.6
3.7
20
0.53
3.7
10
2.2
5.5
30
0.35
5.5
15
1.42
7.5
40
0.265
7.5
20
1.06
11
60
0.18
11
30
0.7
15
80
0.13
15
40
0.53
18.5
90
0.12
18.5
50
0.42
22
120
0.09
22
60
0.36
30
160
0.07
30
80
0.26
37
200
0.05
37
90
0.24
45
240
0.044
45
120
0.18
55
280
0.038
55
150
0.15
75
360
0.026
75
200
0.11
90
500
0.02
90/110
250
0.09
110
500
0.02
132/160
330
0.06
185
490
0.04
220
300
660
0.03
Varispeed E7
Level detector
Braking
resistor
unit
Braking
resistor
unit *
3
Braking unit 2*
2
Braking unit 1
Braking resistor overload
Relay trip contact
(thermal relay trip contact)
Cooling fin overheat contact
(thermoswitch contact)
Cooling fin overheat contact
(thermoswitch contact)
Braking resistor overload
relay trip contact
(thermal relay trip contact)
Connection example
MCCB
AC reactor
Application example
Inverter capacity (kVA)
Motor
Power supply
capacity (kVA)
AC reactor required for
power supply harmonics
AC reactor
not required
Varispeed E7
Y203-EN2-02-Katalog.book Seite 322 Mittwoch, 24. Mai 2006 2:22 14
