Rockwell Automation Publication 750-RM003A-EN-P - April 2018 31
Selection Considerations Chapter 1
Figure 5 - PowerFlex 755T Control Bus Configuration (External 240V AC Control Power
Connector)
Table 5 - Standard and Optional Control Power Comparison
Description PowerFlex 700AFE PowerFlex 755TM Bus Supply
240V AC Primary Control Power (s) Control transformer,
240V AC,1 PH
(s) Primary 240V AC control bus bars, 100 A, powered
from user supplied 240V AC, 50/60Hz, 1 PH, neutral
grounded protected primary control power. See
Table 6 on page 31
for PowerFlex 755TM bus supply
240VAC power requirements.
(o) Control transformer, specify control option code
(-C1), 240V AC, 1 PH will supply power to primary
control bus bars. see Specification and Feature
Comparison on page 33 for PowerFlex 755TM bus
supply for additional 240V AC power available with the
(–C1) option installed.
• The PowerFlex 755T packaged product uses the
primary 240V AC control bus bars to supply 240V AC
1 PH control power to various circuits. Primary
control power is required and must be supplied by
the user or from the optional control transformer.
24V DC Auxiliary Control Power — (s) Auxiliary 24V DC bus bars, 100 A.
• User supplied 24V DC control power.
see Specification and Feature Comparison
on
page 33 for PowerFlex 755TM bus supply 24V DC
power requirements.
• The PowerFlex 755T packaged product uses these
bus bars to supply 24V DC auxiliary power to
various circuits when the 240V AC primary control
power is shut off.
120/240V AC User Control
Power
— (s) User 120/240V AC control bus bars, 100 A.
• User supplied 120V AC or 240V AC 1 PH control
power.
• The User 120/240V AC control power and bus bars
are not used by PowerFlex 755T product.
Table 6 - PowerFlex 755TM Bus Supply External 240V AC Control Power Requirements
Bus Supply
Frame
Required (A rms) Required for Optional Wiring Bays (A rms)
IP21
Enclosure
IP54
Enclosure
Entry
(Power Opt Code -P16)
Exit
(Power Opt Code -P15)
8 8.4 10.4 0.39 —
9 11.215.20.39 —
10 17.5 23.5 0.39 —
11 20.3 28.3 0.39 —
12 26.0 36.0 0.39 —
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