KTN-R-20 Cooper/Bussmann, KTN-R-20 Datasheet
KTN-R-20
Manufacturer Part Number
KTN-R-20
Description
FUSE, 20A, 250V, FAST ACTING
Manufacturer
Cooper/Bussmann
Series
KTN-Rr
Datasheet
1.KTN-R-20.pdf
(2 pages)
Specifications of KTN-R-20
Voltage Rating Vdc
250V
Voltage Rating Vac
250V
Fuse Current
20A
Blow Characteristic
Fast Acting
Fuse Body Material
Glass
Fuse Size Imperial
0.56 X 2"
Current Rating
20 Amps
Voltage Rating
250 Volts
Fuse Size / Group
Class RK1
Termination Style
Cartridge
Fuse Type
Fast Acting
Body Material
Glass Melamine
Dimensions
2 in L x 0.56 in D
Product
General Purpose Fuse
Interrupt Rating
200 KAmps
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Catalog Symbol:
Fast-Acting
Current-Limiting
Ampere Rating: 1 to 600A
Voltage Rating: 250 ac Vac (or less)*
Interrupting Rating: 200,000A RMS Sym.
Tube Material: Glass Melamine
End Caps: 70/30 Brass
Operating Temp.: –40°C to +85°C
Storage Temp.: –55°C to +85°C
Agency Information:
UL Listed, Std. 248-12, Class RK1, Guide JDDZ, File E54273
CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787
*0-600A is rated 250Vdc and 10 KAIC.
Catalog Numbers
KTN-R-1
KTN-R-2
KTN-R-3
KTN-R-4
KTN-R-5
KTN-R-6
KTN-R-8
KTN-R-10
KTN-R-12
KTN-R-15
KTN-R-20
KTN-R-25
Limitron
Fast-Acting Fuses
250 Volt
10-2-02
CE logo denotes compliance with European Union Low Voltage Directive
Bussmann Application Engineering at 314-527-1270 for more information.
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
SB02295
®
KTN-R (250V)
KTN-R-30
KTN-R-35
KTN-R-40
KTN-R-45
KTN-R-50
KTN-R-60
KTN-R-70
KTN-R-75
KTN-R-80
KTN-R-90
KTN-R-100
KTN-R-110
Recommended fuseblocks for
Class R 250V fuses
See Data Sheet: 1110
KTN-R-125
KTN-R-150
KTN-R-175
KTN-R-200
KTN-R-225
KTN-R-250
KTN-R-300
KTN-R-350
KTN-R-400
KTN-R-450
KTN-R-500
KTN-R-600
Carton Quantity and Weight (250Vac)*
Amps
1–30
40–60
70–100
110–200
225–400
450–600
** Weight per carton.
General Information:
• Single-element, fast-acting fuses with minimal time-delay.
• Provides a high degree of short-circuit current-limitation
• Particularly suited for circuits and loads with no heavy surge
• LIMITRON fuses are commonly used to protect circuit
• If used in circuits with surge currents (motors, etc.) must be
• Incorporate Class R rejection feature. Can be inserted in
Dimensional Data
* Contact Bussmann for dc ratings.
1/10A to 30A
35A to 60A
70A to 100A
110A to 200A
225A to 400A
450A to 600A
( 0.31)
(component protection).
currents of motors, transformers, solenoids, and welders.
breakers with lower interrupting ratings.
sized to prevent unwanted opening and thus only provide
short-circuit protection.
non-rejection type fuseholders. Thus, can physically and
electrically replace fast-acting Class H, K1, K5, RK5, and
other fast-acting fuses.
( 0.31)
2"
3"
( 0.062)
.56" ( 0.008)
5.88"
( 0.062)
.81" ( 0.008)
7.13"
( 0.094)
8.63"
( 0.094)
10.38"
Carton
Qty.
10
10
5
1
1
1
1.06" ( 0.008)
1.56" ( 0.008)
2.06" ( 0.008)
0.45
1.82
1.85
1.05
2.38
3.50
Lbs.
2.59" ( 0.008)
Weight**
Bussmann
KTN-R
1-600A
Data Sheet: 1043
Form No. KTN-R
0.204
0.824
0.838
0.476
1.078
1.587
Kg.
Page 1 of 2
®
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KTN-R-20 Summary of contents
Page 1
... KTN-R-125 450–600 KTN-R-150 * Contact Bussmann for dc ratings. ** Weight per carton. KTN-R-175 KTN-R-200 General Information: KTN-R-225 • Single-element, fast-acting fuses with minimal time-delay. KTN-R-250 • Provides a high degree of short-circuit current-limitation KTN-R-300 (component protection). KTN-R-350 • Particularly suited for circuits and loads with no heavy surge KTN-R-400 currents of motors, transformers, solenoids, and welders ...
Page 2
... CR COR — CR COR — CR COR — CR COR — RMS SYMMETRICAL CURRENT IN AMPERES CR COR — CR COR — CR COR — CR COR — CR* COR* — CR COR* — CR — — CR — — Bussmann ® KTN-R 1-600A AMPERE RATING Form No. KTN-R Page Data Sheet: 1043 ...