Rockwell Automation PowerFlex 755TM User Manual

56 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022
Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance
PowerFlex 750-Series AC Drive, Frame 1…7
• User supplied DC input fuses are required. See PowerFlex 750-Series AC Drives Technical Data, publication 750-TD001, for recommended
external non-time delay fast acting semiconductor protection fuses (SPF). See Fuse Certification and Test Data on page 84 for fuse self-
certification and test data for Bussmann 170M and JKS fuses, and Mersen HSJ fuses that are recommended for the DC bus fusing.
• Disconnect switch (DS) - Inverter DC disconnect switch, if necessary. If the DC disconnect switch is used the inverter MUST have precharging
circuits.
PowerFlex 755TM Common Bus Inverter, Frame 8…15
See PowerFlex 750-Series Products with TotalFORCE Control Technical Data, publication 750-TD100, for ratings of internal semiconductor protection
fuses (SPF).
M
C
DC Bus
DS
SPF
PowerFlex
Frames 1…7
P/C
M
C
M
C
DC Bus DC Bus
DS
SPF
P/C
SPF
PowerFlex 755TM CBI Frames 8…15
PowerFlex 755TM CBI Frames 1…7

Rockwell Automation PowerFlex 755TM Specifications

General

Brand	Rockwell Automation
Model	PowerFlex 755TM
Category	DC Drives
Language	English