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ManualsBrandsRockwell Automation ManualsEquipment1336T Wiring and Grounding Guide, (PWM) AC Drives
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122 Rockwell Automation Publication DRIVES-IN001M-EN-P - March 2014
Appendix A Motor Cable Length Restrictions Tables
9
600
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
1321-3R750-B
20 585
(2)
●
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
20 1170
(2)
700
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
1321-3R850-B
20 960
(3)
●
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
20 1920
(3)
800
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
1321-3R850-B
20 960
(3)
●
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
20 1920
(3)
900
(1)
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
2 X
1321-3R500-B
40 480
(3)
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
40 960
(3)
950
(1)
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
2 X
1321-3R500-B
40 480
(3)
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
40 960
(3)
1000
(1)
2
24.4
(80)
91.4
(300)
61.0
(200)
152.4
(500)
152.4
(500)
365.8
(1200)
2 X
1321-3R600-B
40 480
(3)
4
24.4
(80)
91.4
(300)
61.0
(200)
121.9
(400)
121.9
(400)
213.4
(700)
40 960
(3)
10
1100
(1)
2
24.4
(80)
91.4
(300)
53.3
(175)
137.2
(450)
137.2
(450)
365.8
(1200)
2 x
1321-3R750-B
20 720
(4)
4
24.4
(80)
53.3
(175)
53.3
(175)
106.7
(350)
106.7
(350)
213.4
(700)
20 1440
(4)
1400
(1)
2
24.4
(80)
91.4
(300)
53.3
(175)
137.2
(450)
137.2
(450)
365.8
(1200)
2 x
1321-3R850-B
20 960
(5)
4
24.4
(80)
53.3
(175)
53.3
(175)
106.7
(350)
106.7
(350)
213.4
(700)
20 1920
(5)
(1) Some Frame 9 and all Frame 10 drives require two reactors to match drive amp rating. The resistor ratings are per phase values for each reactor.
(2) Resistor specification is based on two parallel cables per phase.
(3) Resistor specification is based on three parallel cables per phase.
(4) Resistor specification is based on four parallel cables per phase.
(5) Resistor specification is based on five parallel cables per phase.
Table 52 - PowerFlex 755 Floor Mount Drives, 600V Shielded/Unshielded Cable – Meters (Feet) (continued)
Drive Rating No Solution Reactor Only Reactor and
Damping Resistor
Reactor Resistor Available Options
Frame HP kHz 1488V 1850V 1488V 1850V 1488V 1850V Cat. No. Ohms Watts TFA1 TFB2 RWR2 RWC