Rockwell Automation 7000L PowerFlex 7000 Medium Voltage AC Drive C Frame - Marine User Manual
Page 183
Component Definition and Maintenance 4-7
7000 ―C‖ Frame - Marine
7000L-UM302B-EN-P – June 2013
The fuses used are E-rated current limiting fuses with a high
interrupting rating. Because they are current limiting, they will limit
both the magintude and duration of fault currents. They are small
dimension, ferrule-type fuses with a fiberglass body, and mount in
standard fuse clips.
I M P O R T A N T
I M P O R T A N T
The fuses sent with the Transient Suppression
Network have been selected based on their
characteristics (including internal resistance).
This is necessary for optimum MOV performance
and protection. Do not substitute other fuses
without contacting the factory first.
Note: Voltage sensing occurs after the MOV fuse, and as a result
open fuses will be detected in drive control as a Master or Slave
Undervoltage or Unbalance.
U
V
W
Drive Input Power
from
Line Terminals
Transient Suppression Network
Medium Voltage Input Fuses
Phase MOV
Suppressor
Ground MOV
Suppressor
Figure 4.5 – Simplified Wiring Diagram
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