Specifications

Rockwell Automation Publication PFLEX-AP009A-EN-P - September 2012 139
Drive Comparisons Chapter 1
PowerFlex DC Drives Circuit Protection
Drive Power
The tables on the following pages provide drive ratings and the recommended
fuses for protecting the armature and field circuits. Externally mounted fuses (as
indicated in the figures below) must be sourced separately when installing the
drive. Internally mounted fuses are provided with the drive. See page 146
for
frames C and D fuse information.
Figure 100 - Frame A and B Fuse Designations
FS1
FS2
M
U V W
C D
FS3
C1 D1
U1 V1
FS1 = Externally
mounted fuses for
the armature
converter on the AC
input side.
FS2 = Externally
mounted fuses for
the armature circuit
on the DC side.
FS3 = Internally
mounted fuses for
the field circuit on
the AC input side.