Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
10
2.7
Installing an Optional Bullet Nose GMT Fuse Block
ALERT!
At 40°C ambient, GMT fuses greater than 10A MUST HAVE an empty mounting position between it and any other
fuse. Maximum total current is 35A. Maximum GMT fuse size is 15A.
At 65°C ambient, GMT fuses greater than 5A MUST HAVE an empty mounting position between it and any other fuse.
Maximum total current is 21A. Maximum GMT fuse size is 10A.
Refer to Figure 2.6 while performing this procedure.
Procedure
1.
Open the shelf’s front door.
2.
Follow the steps in Figure 2.6.
3.
Install an appropriately sized GMT fuse in each fuse mounting position on the GMT distribution fuse block as required. If
dummy fuses are installed, first remove the dummy fuse.
4.
Verify that dummy fuses are installed in all unused fuse positions on the GMT distribution fuse block.
5.
Verify that a plastic safety cover is installed on all GMT fuses on the GMT distribution fuse block.
6.
Record all fuse sizes (installed on the GMT distribution fuse block) on the label provided.
7.
Close the shelf's front door.
