Manual
Rockwell Automation Publication DRIVES-IN001M-EN-P - March 2014 123
Motor Cable Length Restrictions Tables Appendix A
Table 53 - PowerFlex 755 Floor Mount Drives, 690V Shielded/Unshielded Cable – Meters (Feet)
Drive Rating No Solution Reactor Only Reactor and
Damping Resistor
Reactor Resistor Available Options
Frame kW kHz 1488V 1850V 1488V 1850V 1488V 1850V Cat. No. Ohms Watts TFA1 TFB2 RWR2 RWC
8
250
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3RB400-C
50 480
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
50 960
315
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3RB400-C
50 480
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
50 960
355
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R500-C
20 960
(2)
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
20 1920
(2)
400
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R500-C
20 960
(2)
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
20 1920
(2)
450
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R500-C
20 960
(2)
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
20 1920
(2)
500
2
24.4
(80)
45.7
(150)
91.4
(300)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R600-C
20 960
(2)
4
24.4
(80)
45.7
(150)
91.4
(300)
106.7
(350)
152.4
(500)
182.9
(600)
20 1920
(2)
9
560
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R750-C
20 960
(2)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
20 1920
(2)
630
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R750-C
20 960
(2)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
20 1920
(2)
710
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
1321-3R850-C
20 1290
(3)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
20 2580
(3)
750
(1)
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
2 x
1321-3R500-C
40 645
(3)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
40 1290
(3)
800
(1)
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
2 x
1321-3R500-C
40 645
(3)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
40 1290
(3)
900
(1)
2
24.4
(80)
45.7
(150)
76.2
(250)
121.9
(400)
182.9
(600)
243.8
(800)
2 x
1321-3R600-C
40 645
(3)
4
24.4
(80)
45.7
(150)
76.2
(250)
91.4
(300)
152.4
(500)
182.9
(600)
40 1290
(3)
continued