PowerFlex Digital DC Drive User Manual - Publication 20P-UM001C-EN-P - July 2008
Supplemental Drive Information A-15
Control Power Circuit
Protection Fuses
The following fuses are used to protect the Switching Power Supply circuit
and the MOVs on the Pulse Transformer circuit board (frame B drives only)
or Transient Noise Filter circuit board (frame C drives only).
Figure A.10 Frame A Switching Power Supply Fuse Location
Figure A.11 Frame B Switching Power Supply Fuse Location
Frame Mounted on Designation Fuse
A Switching Power Supply circuit board F1 1A, 250V slow, 5x20mm
B and C Switching Power Supply circuit board F1 3.15A, 250V slow, 5x20mm
F2 2.5A, 250V fast, 5x20mm
B Pulse Transformer circuit board F1/F2/F3 16A, 500V fast, 6x32mm
C Transient Noise Filter circuit board F11/F21/F31 25A, 500V fast, 6x32mm
Top View of Drive
Switching Power Supply fuse
Top View of Drive
F1 = 3.15A fuse
F2 = 2.5A fuse
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