Remove and Install the DC Link Fuses for Frames 8...15

Replace the DC link fuses with the appropriate kit catalog number that is identified in this table:
Fuse Kit Cat. No.
DC Link/Fuse Assembly Kit Cat. No.
Voltage Class
Fuses Per Kit
Fuse Amps/Leg
1 Bussmann Fuse/Leg
SK-RM-DCFUSE1-F8
20-750-MDCL1-CD-F8M
400V/480V AC
2
1400
170M6467
SK-RM-DCFUSE1-F8
20-750-MDCL2-CD-F8M
400V/480V AC
2
1400
170M6467
SK-RM-DCFUSE2-F8
20-750-MDCL1-EF-F8M
600V/690V AC
2
1100
170M6499
SK-RM-DCFUSE2-F8
20-750-MDCL2-EF-F8M
600V/690V AC
2
1100
170M6499
IMPORTANT: It is recommended that you replace both DC link fuses for each power module installed.
Follow these steps to remove and install the DC link fuses.
  1. Review the product advisories in Before You Begin.
  2. Remove power from the system.
  3. Open the corresponding power bay door.
  4. Remove the upper guard from the enclosure.
  5. Remove the wire harness connectors from the stab connectors on the fuse indicator switches and retain the wire harness for reuse.
  6. Remove the four M12 x 13 mm hex nuts that secure the fuses to the DC link bus bars and remove the fuses.
    example of how to remove the fuses from the DC link assembly
  7. Install the DC link fuses in the reverse order of removal. Verify that the DC fuse wire harness connectors are installed on the outer two terminals of the fuse indicator switches.
    example of how to install the DC fuse wire harness connectors on the correct indicator switch terminals
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