JJS-20 Cooper/Bussmann, JJS-20 Datasheet
JJS-20
Manufacturer Part Number
JJS-20
Description
FUSE 20A 600V FAST ACT CLASS T
Manufacturer
Cooper/Bussmann
Series
JJSr
Type
Very Fast Actingr
Specifications of JJS-20
Fuse Type
Fast Acting
Voltage - Rated
600VAC
Current
20A
Package / Case
Cylindrical
Size / Dimension
0.560" Dia x 1.500" L (14.22mm x 38.10mm)
Mounting Type
Holder
Brand/series
T-Tron®/JJS Series
Class
Class T
Current, Rating
20 A
Current, Ratings
20 A
Diameter
0.56 in. +⁄-0.04
Dimensions
0.56x1.5 "
Length
1.5 in. +⁄-0.04
Material, Body
Melamine
Primary Type
Cylinder
Termination
Cartridge
Voltage, Rating
600 VAC
Color
-
Operating Temperature
-
Dc Cold Resistance
-
Melting I²t
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Color
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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
See page 2 0f 2 for printed circuit board variations.
Carton Quantity and Weight
Catalog
Number
1–30
35–60
70–100
110–200
225–400
450–600
800
*Weight per carton.
9-24-03
T-Tron
Class T — 600 Volt, 1 to 800 Amps
A03068
®
Carton
Qty.
10
10
Very Fast-Acting Fuses
5
1
1
1
1
JJS-45
JJS-50
JJS-60
JJS-70
JJS-80
JJS-90
JJS-100
JJS-110
JJS-125
JJS-150
JJS-175
0.192
Lbs.
0.33
0.82
0.51
0.46
0.85
1.65
Weight*
JJS-200
JJS-225
JJS-250
JJS-300
JJS-350
JJS-400
JJS-450
JJS-500
JJS-600
JJS-800
—
0.149
0.371
0.231
0.087
0.208
0.385
0.748
Kg.
• Small, space-saving fuses provide a high degree of current-
• Commonly applied in electric heat circuits, load center,
• The small size of the T-Tron fuses permits installation in
• High speed of response for semiconductor protection.
• Available for printed circuit board applications.
Dimensional Data
( 0.04)
(Typ. 2)
(Typ. 2)
( 0.04)
.88"
.344"
.281"
limitation on short-circuits for excellent component protection.
disconnect switches, and meters.
panelboards and control centers for system upgrading
when existing circuit breakers cannot safely interrupt larger
available short-circuit currents.
.75"
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.
Dia. .81"
( 0.04)
Dia. .56"
( 0.04)
( 0.04)
( 0.04)
110A to 200A
1.66"
3.25"
70A to 100A
2.95"
2.36"
1.64"
2.5"
1A to 30A
( 0.04)
1.5"
Recommended fuseblocks for
Class T 600V fuses
See Data Sheet: 1116
( 0.04)
( 0.04)
1.75"
1.25"
( 0.04)
1"
( 0.04)
Bussmann
( 0.04)
3.17"
1.88"
4.33"
( 0.04)
3.98"
2.95"
1.78"
3.63"
1.73"
2.72"
225A to 400A
450A to 600A
601A to 800A
Data Sheet: 1029
Form No. JJS
JJS
Page 1 of 2
(Typ. 2)
.563"
(Typ. 2)
(Typ. 2)
.406"
.484"
®
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JJS-20 Summary of contents
Page 1
... Commonly applied in electric heat circuits, load center, disconnect switches, and meters. • The small size of the T-Tron fuses permits installation in JJS-200 panelboards and control centers for system upgrading JJS-225 when existing circuit breakers cannot safely interrupt larger JJS-250 available short-circuit currents ...
Page 2
... Time-Current Characteristic Curves–Average Melt B 300 100 1200 800 600 400 10 200 100 .01 JJS-(35-60) V .76 20.19 .76 .795 .030 12.70 .500 Bussmann CURRENT IN AMPERES 1.562" .150" (+ .020 – .000) .806" ( .020) .806" ® JJS AMPERE RATING 1.432" ( .030) Form No. JJS Page Data Sheet: 1029 ...