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Vertiv
™
NetSure
™
-48 VDC Power System
System Application Guide
Spec. No: 582140001
Proprietary and Confidential © 2022 Vertiv Group Corp.
SAG582140001
Model No: 801
NLDB
, 801
NLEB
, 801
NL
-
B
Page 28
Revision T, September 28, 2022
TPL Fuses and Fuseholder Assemblies
Features
♦
Each fuseholder assembly is equipped with a shunt for MCA load current measurements.
♦
Bolts into bay's distribution device mounting positions.
♦
Load lug busbars and adapter plates provide 3/8" clearance holes on 1" centers for installation of customer provided two-
hole lugs.
Restrictions
Load should not exceed 80% of device rating.
Refer to Table 2 for required distribution bus mounting positions.
Each distribution bus is divided into half. Each half MUST be populated with distribution devices as shown in the illustrations
at the beginning of this section, without skipping any distribution device mounting positions within each half.
Divide distribution equally between rows.
Refer to the illustrations in this section for lug and wire size restrictions.
Load return leads are terminated outside the bay to customer provided return busbars.
Ordering Notes
1)
Order fuses, the appropriate fuseholder assembly for each fuse, and load lug adapter kits per Table 2. Load lug adapter
kits also contain the necessary hardware to mount the fuseholder assembly.
2)
For each fuse ordered, also order one (1) P/N 248610301 alarm fuse,
and one (1) P/N 248898700 safety fuse cover.
3)
See Table 10 for recommended load distribution wire sizes and lugs.
Ampere
Rating
Required
Distribution Bus
Mounting
Positions
Part Number
Lug Adapter Kit
Part Number
(Qty. 1)
Fuse
Fuseholder
Assembly
70
2
248251500
514403
529132
80
2
248252000
514403
529132
100
2
248252600
514403
529132
150
2
248253300
514403
529132
200
2
248254000
514403
529132
225
2
248254500
514403
529132
250
2
248255000
514403
529132
300
2
248255700
514403
529132
400
2
248257000
514403
529132
500
2
248258000
514403
529132
600
2
248259000
514403
529132
800
3
102901
514404
529131
For each fuse ordered, also order: one (1) P/N 248610301 alarm fuse (GMT-18/100A), and one (1)
P/N 248898700 safety fuse cover (GMT-X).
See Table 10 for recommended load distribution wire sizes and lugs.
Table 2
TPL Fuses and Fuseholder Assemblies