Allen-Bradley 20G - Appendix A

68 Rockwell Automation Publication PFLEX-AT001L-EN-P - September 2017
Appendix A Minimum Dynamic Brake Resistance
Table 3 - Minimum Dynamic Break Resistance 400V…690V
Drive Normal
Duty Rating
Regen DC Bus
Voltage (V
d
)
Rated Continuous Power, Internal Resistors (P
db
)
Minimum Ohms,
External Resistors
(1)
PowerFlex 70 PowerFlex 700
PowerFlex
750-Series
PowerFlex Product
Frame Watts Frame Watts Frame Watts Resistance (Ω) 4 40 70 700 753 755
400V, 0.37 kW
480V, 0.5 Hp
790 A 48 0 50
97 61.7 63.1
400V, 0.75 kW
480V, 1 Hp
1 50 115 79 79
400V, 1.5 kW
480V, 2 Hp
1 50 115 79 79
400V, 2.2 kW
480V, 3 Hp
1 50 115 79 79
400V, 4 kW
480V, 5 Hp
15062 52.7 52.7
400V, 5.5 kW
480V, 7.5 Hp
15062 31.6 31.6
400V, 7.5 kW
480V, 10 Hp
15062 31.6 31.6
400V, 0.75 kW
480V, 1 Hp
A 48 0 50 2 50 62 121 97 61.7 63.1 31.6 31.6
400V, 1.5 kW
480V, 2 Hp
A 48 0 50 2 50 62 121 97 61.7 63.1 31.6 31.6
400V, 2.2 kW
480V, 3 Hp
B 28 0 50 2 50 62 97 97 61.7 63.1 31.6 31.6
400V, 4 kW
480V, 5 Hp
B 28 0 50 2 50 62 97 77 61.7 63.1 31.6 31.6
400V, 5.5 kW
480V, 7.5 Hp
C 40 0 50 2 50 62
55 66.9 63.1 31.6 31.6
400V, 7.5 kW
480V, 10 Hp
C 40 1 50 2 50 62
39 66.9 63.1 31.6 31.6
400V, 11 kW
480V, 15 Hp
D 36 1 50 2 50 62
24 39.9 43.3 22.6 22.6
400V, 15 kW
480V, 20 Hp
D36250
27.8 40.2 31.6 31.6
400V, 18.5 kW
480V, 25 Hp
D
250 24.6 28.2 31.6 31.6
400V, 22 kW
480V, 30 Hp
D
25.1 21.7 16.6 16.6
400V, 30 kW
480V, 40 Hp
17.9 18.7 15.8 15.8