Allen-Bradley PowerFlex 525 User Manual page 151
Adjustable frequency ac drive
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Dynamic Brake Resistors
Drive Ratings
Input Voltage
100...120V
50/60 Hz
1-Phase
200...240V
50/60 Hz
1-Phase
200...240V
50/60 Hz
3-Phase
380...480V
50/60 Hz
3-Phase
525...600V
50/60 Hz
3-Phase
(1) The resistors listed in this tables are rated for 5% duty cycle.
(2) Use of Rockwell Automation resistors is always recommended. The resistors listed have been carefully selected for optimizing
performance in a variety of applications. Alternative resistors may be used, however, care must be taken when making a selection.
See the PowerFlex Dynamic Braking Resistor Calculator, publication PFLEX-AT001.
(3) Requires two resistors wired in parallel.
(4) Requires three resistors wired in parallel.
Rockwell Automation Publication 520-UM001A-EN-E - February 2013
Accessories and Dimensions
Minimum
Resistance
Resistance
HP
kW
Ω ±10%
Ω ±5%
0.5
0.4
60
91
1.0
0.75
60
91
1.5
1.1
48
91
0.5
0.4
60
91
1.0
0.75
60
91
2.0
1.5
48
91
3.0
2.2
32
47
0.5
0.4
60
91
1.0
0.75
60
91
2.0
1.5
60
91
3.0
2.2
32
47
5.0
3.7
19
47
7.5
5.5
19
30
10.0
7.5
15
30
15.0
11.0
15
15
20.0
15.0
11
15
0.5
0.4
97
360
1.0
0.75
97
360
2.0
1.5
97
360
3.0
2.2
97
120
5.0
4.0
77
120
7.5
5.5
55
120
10.0
7.5
55
120
15.0
11.0
50
60
20.0
15.0
50
60
25.0
18.5
30
40
30.0
22.0
30
40
0.5
0.4
120
360
1.0
0.75
120
360
2.0
1.5
120
360
3.0
2.2
120
120
5.0
3.7
82
120
7.5
5.5
65
120
10.0
7.5
65
120
15.0
11.0
65
60
20.0
15.0
65
60
25.0
18.5
60
60
30.0
22.0
38
40
Appendix B
(1)(2)
Catalog No.
AK-R2-091P500
AK-R2-091P500
AK-R2-091P500
AK-R2-091P500
AK-R2-091P500
AK-R2-091P500
AK-R2-047P500
AK-R2-091P500
AK-R2-091P500
AK-R2-091P500
AK-R2-047P500
AK-R2-047P500
AK-R2-030P1K2
AK-R2-030P1K2
(3)
AK-R2-030P1K2
(3)
AK-R2-030P1K2
AK-R2-360P500
AK-R2-360P500
AK-R2-360P500
AK-R2-120P1K2
AK-R2-120P1K2
AK-R2-120P1K2
AK-R2-120P1K2
(3)
AK-R2-120P1K2
(3)
AK-R2-120P1K2
(4)
AK-R2-120P1K2
(4)
AK-R2-120P1K2
AK-R2-360P500
AK-R2-360P500
AK-R2-360P500
AK-R2-120P1K2
AK-R2-120P1K2
AK-R2-120P1K2
AK-R2-120P1K2
(3)
AK-R2-120P1K2
(3)
AK-R2-120P1K2
(3)
AK-R2-120P1K2
(4)
AK-R2-120P1K2
151
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