Rockwell Automation PowerFlex 755TL User Manual

Rockwell Automation Publication 750-TG100B-EN-P - June 2019 197
Input Bay Components Chapter 8
Control Transformer Fuses
(FH4…FH7) Replacement
Replace the control transformer fuses (labeled FH4…FH7) with the appropriate
kit catalog number that is identified in Tab le 1 7
.
Remove the Control Transformer Fuses
For frame 8, the fuse holders (labeled FH4) are located in the AC precharge
module in the input bay. For frames 9…12, the fuse holders (labeled FH4…FH7)
are on the control panel in the input bay. Follow these steps to remove and replace
the control transformer fuses.
1. Review the Product Advisories on page 14
.
2. Remove power from the system. See Remove Power from the System on
page 15
.
3. Open the input bay enclosure door.
4. Remove the guard from the enclosure. See Guard Removal on page 183
.
IMPORTANT Control transformer fuse quantities vary based on the product voltage class
and IP rating. It is recommended that you replace all control transformer fuses.
Table 17 - Control Transformer Fuses (FH4…FH7) Kit Ratings
Frame Size Voltage Class IP Rating Kit Cat. No. Fuse Amp
Rating
Qty
8 400V/480V/600V IP21 SK-RM-IBFH4-FUSE4A-F8 20 2
690V SK-RM-IBFH4-FUSE4B-F8
9 400V/480V/600V IP21 SK-RM-IBFH4-FUSE4C-F8 30 2
690V SK-RM-IBFH4-FUSE4D-F8 20 2
10, 11 400V/480V/600V IP21 SK-RM-IBFH4-FUSE4F-F9 30 4
690V SK-RM-IBFH4-FUSE4H-F9 20 4
12 400V/480V/600V IP21 SK-RM-IBFH4-FUSE4J-F11 30 6
690V SK-RM-IBFH4-FUSE4K-F11 20 6
8 400V/480V/600V IP54 SK-RM-IBFH4-FUSE4C-F8 30 2
690V SK-RM-IBFH4-FUSE4D-F8 20 2
9 400V/480V/600V IP54 SK-RM-IBFH4-FUSE4F-F9 30 4
9, 10 690V IP54 SK-RM-IBFH4-FUSE4H-F9 20 4
10 400V/480V/600V IP54 SK-RM-IBFH4-FUSE4J-F11 30 6
11 400V/480V/600V IP54 SK-RM-IBFH4-FUSE4J-F11 30 6
690V SK-RM-IBFH4-FUSE4K-F11 20 6
12 400V/480V/600V IP54 SK-RM-IBFH4-FUSE4L-F12 20 8
690V SK-RM-IBFH4-FUSE4M-F12

Rockwell Automation PowerFlex 755TL Specifications

General

Brand	Rockwell Automation
Model	PowerFlex 755TL
Category	DC Drives
Language	English