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Bussmann®
T-Tron® Very Fast Acting Fuses
JJS
Class T — 600 Volt, 1-800 Amps
Dimensional Data
1.5"
(± 0.04)
Dia. .56"
(± 0.04)
3.63"
(± 0.04)
2.72"
1.73"
1A to 30A
1"
(± 0.04)
1.56"
(± 0.04)
225A to 400A
Dia. .81"
(± 0.04)
35A to 60A
2.95"
(± 0.04)
2.36"
1.64"
1.25"
(± 0.04)
Catalog Symbol: JJS
Current Limiting
Very Fast Acting
Ampere Rating: 1 to 800 Amperes
Voltage Rating: 600 Volts AC (or less)*
Interrupting Rating: 200,000A RMS Sym.
Agency Approval:
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
.484"
(Typ. 2)
450A to 600A
.75"
(± 0.04)
.281"
(Typ. 2)
.406"
(Typ. 2)
3.98"
(± 0.04)
2.95"
1.78"
4.33"
(± 0.04)
3.17"
1.88"
70A to 100A
3.25"
(± 0.04)
2.5"
1.66"
1.75"
(± 0.04)
.88"
(± 0.04)
110A to 200A
.563"
.344"
(Typ. 2)
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.
JJS-1
JJS-45
JJS-200
JJS-2
JJS-50
JJS-225
JJS-3
JJS-60
JJS-250
JJS-6
JJS-70
JJS-300
JJS-10
JJS-80
JJS-350
JJS-15
JJS-90
JJS-400
JJS-20
JJS-100
JJS-450
JJS-25
JJS-110
JJS-500
JJS-30
JJS-125
JJS-600
Amps
JJS-35
JJS-150
JJS-800
⁄Ω™
JJS-40
JJS-175
—
to
2
T60030-2SR
T60030-2CR
30
3
T60030-3SR
T60030-3CR
31
1
T60060-1SR
T60060-1CR
to
2
T60060-2SR
T60060-2CR
60
3
T60060-3SR
T60060-3CR
T60100-1CR
Standard T Fuseblocks (600V) Catalog Data
Catalog Numbers
Carton Quantity and Weight–JJS-T-TRON (600 Volts AC)
Catalog
Number
Weight**
Poles
Screw
Box Lug
1
T60030-1SR
T60030-1CR
Carton
Qty.
Lbs.
Kg.
61
1
–
1–30
10
0.33
0.149
to
2
–
T60100-2CR
35–60
10
0.82
0.371
100
3
–
T60100-3CR
70–100
5
0.51
0.231
101-200
1
–
T60200-1C
110–200
1
0.192
0.087
3
–
1B0089
225–400
1
0.46
0.208
201-400
1
–
T60400-1C
450–600
1
0.85
0.385
401-600
1
800
1
1.65
0.748
*15-400A rated 300 VDC and 10 KAIC.
**Weight per carton.
Bussmann
rev. 7/8/97
T60600-1C
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000 VAC, 75-1500 VDC). Refer to BIF document #8002 or contact
Bussmann Application Engineering at 314-527-1270 for more information.
Form No. JJS
Page 1 of 2
BIF Doc #1029
Bussmann®
T-Tron® Very Fast-Acting Fuses
JJS
Class T — 600 Volt, 1-800 Amps
400A
500A
800A
200A
100A
60A
15A
30A
5A
3A
AMPERE
RATING
100,000
1A
B
10A
Time-Current Characteristic Curves–Average Melt
400,000
300
AMPERE
RATING
100
1200
800
600
400
200,000
1,000
100,000
A
200
10,000
1,000
10
TIME IN SECONDS
200
100
60
30
10,000
100
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS
Current Limitation Curves
1
.1
10,000
CURRENT IN AMPERES
1,000
100
1
.01
10
RMS SYMMETRICAL CURRENTS IN AMPERES
A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)
Custom Designs
• Printed circuit board variations available.
JJS-60V
1.562"
.150"
(+ .020 – .000)
.806"
(± .020)
1.432" (± .030)
.806"
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
contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Bussmann
rev. 7/8/97
Form No. JJS
Page 2 of 2
BIF Doc #1029
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