Medium Voltage Fuses
Fast-acting fuses
HVA, HVB,
HVJ, HVL,
HVR, HVT,
HVU, HVW &
HVX
Specifications
Description:
Medium voltage, non-time delay, fast-acting
fuses.
Dimensions:
See Basic Catalog Numbers table.
Ratings:
Volts: — 1-10kV (See Basic Catalog Numbers table)
Amps: —
1
⁄
16
-2A (See Basic Catalog Numbers table)
Features and Benefits
• Physical size varies with electrical rating of fuse to prevent
over-fusing.
• Space saving size.
Typical Applications
• Medium voltage instrument protection
• Medium voltage circuit protection
Fuse blocks:
4528, 4529, 4530 & 2960
Voltage Rating:
1000 to 10,000V
Basic Catalog
Numbers
HVA, HVR
HVB, HVT
HVJ, HVU
HVL, HVX
Fuse Block
Catalog Number
4528
4529
4530
2960
Test Specifications
Basic Catalog
Numbers
HVA, HVB, HVJ, HVL
HVR, HVT, HVU, HVW, HVX
Load / Opening Time
110% / 4 Hours (min)
135% / 1 Hour (max)
100% / 4 Hours (min)
150% / 1 Hour (max)
Medium
Voltage
Fuses
Use #8 screws on blocks 4528 and 4529.
Use #10 screws on blocks 4530 and 2960.
Basic
Catalog
Number
HVA
HVB
HVJ
HVL
HVR
HVW
HVT
HVU
HVX
kV
1
2.5
5
10
1
1.2
2.5
5
10
Amp Ratings
1
⁄
16
,
1
⁄
10
,
1
⁄
8
,
2
⁄
10
,
1
⁄
4
,
3
⁄
10
,
3
⁄
8
,
1
⁄
2
,
3
⁄
4
, 1, 1
1
⁄
2
, 2, 3, 4, 6, 10
1
⁄
2
,
3
⁄
4
, 1, 1
1
⁄
2
, 2, 3
1
⁄
16
,
1
⁄
8
,
1
⁄
4
,
1
⁄
2
,
3
⁄
4
, 1
1
⁄
2
, 2, 4, 6, 10
1
⁄
16
,
1
⁄
8
,
1
⁄
4
,
1
⁄
2
, 1, 1
1
⁄
2
, 2, 3
1
⁄
2
, 1, 2, 3, 4, 5
1, 2, 3, 4, 5, 8
1
⁄
2
, 1, 2, 3, 5
1
⁄
2
, 1, 2, 3, 4, 5
1
⁄
2
, 1, 3, 5
Maximum S.C.
20kW dc/30kVA ac
20kW dc/30kVA ac
20kW dc/30kVA ac
20kW dc/30kVA ac
kVA-500 ac only
kVA-12,000 ac only
kVA-1250 ac only
kVA-2500 ac only
kVA-5,000 ac only
Dimensions - in (mm)
Diameter
Length
0.41 (10.4)
3 (76.1)
0.41
0.81
0.81
0.41
0.41
0.41
0.81
0.41
(10.4)
(20.6)
(20.6)
(10.4)
(10.4)
(10.4)
(20.6)
(10.4)
4.5 (114.2)
5 (126.9)
10 (254)
3 (76.2)
2.25 (57.1)
4.5 (114.2)
5 (126.9)
10.0 (253.8)
Catalog Number Build-A-Code
kV
Basic Catalog Number
___
_____
Amps
___
Data Sheet: 6003
For product Data Sheets, visit www.cooperbussmann.com/products/datasheet.asp
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