PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
Supplemental Drive Information
A-11
Figure A.5 Frame B Field Circuit Fuses Location
Frame C Fuse Information
All AC input fuses for armature and field circuit protection are internally
mounted and provided with frame C PowerFlex DC drives with 230V AC
input and a current rating of 521A and 460V AC input and a current rating
of 495A and 667A.
Figure A.6 Frame C Fuse Table Designations
Top View of Drive
Field circuit fuses
U V W
C D
FS3
FS4
C1 D1
U1 V1
M
FS3 = Internally
mounted fuses
for the field
circuit on the AC
input side.
FS4 = Internally
mounted fuses for
the armature
converter on the
AC input side.