Remove and Install the Input Bay Roof Fan 240V Control Power Fuse (FH3) for Frames 8...15

Replace the input bay roof fan 240V control power fuse (labeled FH3) with the appropriate kit catalog number that is identified in this table. Each kit contains one fuse.
Cat. No.
Voltage Class
Fuse Amp Rating
Enclosure IP Rating
Frame Size
Required Fuse Quantity
SK-RM-IBFH3-FUSE3B-F8
400V/480V/600V
2
IP21/IP54
8 and 9
1
SK-RM-IBFH3-FUSE3A-F8
690V
2
IP21/IP54
8 and 9
1
SK-RM-IBFH3-FUSE3D-F10
400V/480V/600V
4
IP21/IP54
10…12
4
SK-RM-IBFH3-FUSE3D-F10
400V/480V/600V
4
IP21/IP54
13…15
4
SK-RM-IBFH3-FUSE3C-F10
690V
4
IP21/IP54
10…12
4
SK-RM-IBFH3-FUSE3C-F10
690V
4
IP21/IP54
13…15
4
The roof fan 240V control power fuse holder (labeled FH3) is on the control panel in the input bay. Follow these steps to remove and replace the roof fan 240V control power fuse.
  1. Review the product advisories in Before You Begin.
  2. Remove power from the system.
  3. Open the enclosure door.
  4. Remove the guard from the enclosure.
  5. Pull out on the tab at the top of the fuse holder and remove the fuse.
    example of how to remove the roof fan 240V control power fuse from an input bay
  6. Item
    Description
    Item
    Description
    A
    Frames 8 and 9 Input Bay
    B
    Frames 8…15 Input Bay (Frame 10 Shown)
  7. Install the roof fan 240V control power fuse in the reverse order of removal.
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