Bussmann
®
T-Tron
®
Very Fast-Acting Fuses
Class T — 600 Volt, 1 to 800 Amps
Dimensional Data
1.5"
(± 0.04)
Dia. .56"
(± 0.04)
3.63"
(± 0.04)
2.72"
1.73"
1"
(± 0.04)
JJS
1A to 30A
225A to 400A
Dia. .81"
(± 0.04)
2.95"
(± 0.04)
2.36"
1.64"
.75"
(± 0.04)
.281"
(Typ. 2)
70A to 100A
3.98"
(± 0.04)
2.95"
1.78"
1.25"
(± 0.04)
450A to 600A
.406"
(Typ. 2)
Catalog Symbol:
JJS
Current-Limiting
Very Fast-Acting
Ampere Rating:
1 to 800A
Voltage Rating:
600Vac (or less)
Interrupting Rating:
200,000A RMS Sym.
Agency Information:
UL Listed, Std. 248-15, Class T, Guide JDDZ, File E4273
CSA Certified, C22.2 No. 248.15, Class 1422-02, File 53787
Catalog Numbers
JJS-1
JJS-2
JJS-3
JJS-6
JJS-10
JJS-15
JJS-20
JJS-25
JJS-30
JJS-35
JJS-40
JJS-45
JJS-50
JJS-60
JJS-70
JJS-80
JJS-90
JJS-100
JJS-110
JJS-125
JJS-150
JJS-175
JJS-200
JJS-225
JJS-250
JJS-300
JJS-350
JJS-400
JJS-450
JJS-500
JJS-600
JJS-800
—
3.25"
(± 0.04)
2.5"
1.66"
1.75"
(± 0.04)
110A to 200A
4.33"
(± 0.04)
3.17"
1.88"
.484"
(Typ. 2)
.88"
(± 0.04)
.344"
(Typ. 2)
.563"
601A to 800A
(Typ. 2)
• Small, space-saving fuses provide a high degree of current-
limitation on short-circuits for excellent component protection.
• Commonly applied in electric heat circuits, load center,
disconnect switches, and meters.
• The small size of the T-Tron fuses permits installation in
panelboards and control centers for system upgrading
when existing circuit breakers cannot safely interrupt larger
available short-circuit currents.
• High speed of response for semiconductor protection.
• Available for printed circuit board applications.
See page 2 0f 2 for printed circuit board variations.
Recommended fuseblocks for
Class T 600V fuses
See Data Sheet: 1116
Carton Quantity and Weight
Catalog
Number
1–30
35–60
70–100
110–200
225–400
450–600
800
*Weight per carton.
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 636-527-1270 for more information.
Carton
Qty.
10
10
5
1
1
1
1
Weight*
Lbs.
0.33
0.82
0.51
0.192
0.46
0.85
1.65
Kg.
0.149
0.371
0.231
0.087
0.208
0.385
0.748
9-24-03
A03068
Form No. JJS
Page 1 of 2
Data Sheet: 1029
Bussmann
®
T-Tron
®
Very Fast-Acting Fuses
Class T — 600 Volt, 1 to 800 Amps
Current-Limitation Curves
400,000
B
AMPERE
RATING
JJS
Time-Current Characteristic Curves–Average Melt
100A
200A
400A
500A
600A
AMPERE
RATING
10A
15A
30A
60A
1A
3A
5A
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS
300
100
100,000
1200
800
600
400
10
TIME IN SECONDS
10,000
200
100
60
30
1
1,000
10,000
100
100,000
10
Custom Designs
• Printed circuit board variations available.
UL Component Recognized
File E56412, JFHR2, 600Vac, 200,000A IR
JJS-(1-30) V
JJS-(35-60) V
CURRENT IN AMPERES
47.88
1.885
5.08 MIN.
.200
19.05
±
.76
.750
±
.030
1.562"
20.19
±
.76
.795
±
.030
.150"
(+ .020 – .000)
.806"
(± .020)
1.432" (± .030)
12.70
.500
.806"
8.23
.324
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
9-24-03
A03068
Form No. JJS
Page 2 of 2
Data Sheet: 1029
10,000
100
1
1,000
RMS SYMMETRICAL CURRENT IN AMPERES
A—B=ASYMMETRICAL
AVAILABLE PEAK (2.3 X SYMM RMS AMPS)
200,000
1,000
A
200
.1
.01
Embedded System
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