Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control - Manual (Page 38)

38 Rockwell Automation Publication 7000-UM202B-EN-P - June 2014
Chapter 3 Component Definition and Maintenance
Replacing Transient Suppression Network Fuses
Two sizes of fuses (5 kV, 7.2 kV) are available within the TSN located inside the
connection cabinet. The 18 Pulse drive contains three TSNs.
1. Ensure there is no power to the equipment.
2. Fuses are held in a place with a fuse clip. To remove the fuse pull firmly.
3. To replace the fuse, hold it in position and push firmly until the fuse is
seated within the fuse clip. Install fuses so that the rating is visible.
Figure 28 - Transient Suppression Network
ATTENTION: To prevent electrical shock, disconnect the main power before
working on the drive. Verify that all circuits are voltage-free using a hot stick or
appropriate voltage-measuring device. Failure to do so may result in injury or
death.
IMPORTANT Replace the fuse with another of the same rating. (See Figure 28 on page 38 for
location.)
Ground location
Varistors
5 kV fuse example
7.2 kV fuse example
Connecting links
Varistors
5 kV fuse location
7.2 kV fuse location