Vertiv™ NetSure™ 512
NGBB
-48 VDC Power System User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
26
Replacing a TPS/TLS Fuse
Procedure
NOTE!
Refer to Figure 4.2
as this procedure is performed.
1.
Remove the fuse carrier from the mounted fuseholder body by pulling it straight out.
2.
Remove the open fuse from the fuse carrier and replace it with the same type and rating.
3.
Replace the alarm fuse located in the front of the fuse carrier with the same type and rating. Ensure that a plastic safety
cover is installed on the alarm fuse.
4.
Push the fuse carrier securely back into the mounted fuseholder body. Note that a polarizing key on the bottom of the
carrier prevents the carrier from being inserted upside down.
5.
Verify no Fuse Alarms are active.
Figure 4.2
Replacing a TPS/TLS Fuseholder and/or Fuse
Fuseholder
Assembly
Longer Side
to the Bottom
Shorter Side
to the Top
Fuse
Carrier
Fuseholder
Body
TPS/TLS
Fuse
Polarizing Keyway
Matches Key on
Bottom of Fuse Carrier
Fuseholder
Assembly
Exploded
View
Fuseholder Assembly (P/N 117201) includes
body & carrier, alarm fuse, and alarm fuse
safety cover.
Insert these terminals
into corresponding sockets
on distribution panel.
GMT-X
Safety Fuse Cover
(Replacement
P/N 248898700)
GMT-18/100A
Alarm Fuse
(Replacement
P/N 248610301)