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KLB40

Description
Electric Fuse, Fast Blow, 40A, 250VAC, 250VDC, 200000A (IR), Inline/holder
CategoryCircuit protection    Circuit protection   
File Size1MB,23 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
Download Datasheet Parametric View All

KLB40 Overview

Electric Fuse, Fast Blow, 40A, 250VAC, 250VDC, 200000A (IR), Inline/holder

KLB40 Parametric

Parameter NameAttribute value
MakerLittelfuse
Reach Compliance Codeunknown
Other featuresRATED BREAKING CAPACITY AT 250 VDC: 20000 A
Fusing characteristicsFAST
body height41.3 mm
Body length or diameter20.6 mm
Circuit protection typeELECTRIC FUSE
Manufacturer's serial numberKLB
Installation featuresINLINE/HOLDER
physical size20.6mm x 41.3mm
Rated breaking capacity200000 A
Rated current40 A
Rated voltage (AC)250 V
Rated voltage (DC)250 V
GuidelineCSA; UL
surface mountNO
Terminal shapeTAB/BLADE
Special Purpose Fuses
Semiconductor Fuses
150 – 1300 VAC • Very Fast Acting • 1 – 6000 Amperes
Semiconductor Fuses
Littelfuse Semiconductor fuses are very fast acting fuses designed
specifically for the protection of diodes, thyristors, triacs, and other
solid-state power semiconductor devices. These fuses are used in
power electronic applications including variable speed drives, power
rectifiers, UPS systems, and DC power supplies. They can be used
wherever extremely fast acting, current-limiting fuses are needed to
provide superior protection against the potentially damaging effects of
short-circuit currents.
The extensive line of Littelfuse Semiconductor fuses includes the
traditional round body fuses, enhanced state-of-the-art round body
fuses, and North American style square body fuses. Available ratings
range from 150 to 1300 volts and up to 6000 amps.
Applications
Semiconductor fuses are designed specifically for supplementary
protection of semiconducting devices such as silicon controlled rectifiers
(SCR’s), diodes, thyristors, triacs, transistors, and similar solid-state
devices. These devices are used in power equipment including variable
speed drives, power rectifiers, UPS systems, DC power supplies, and in
a wide range of electronic equipment.
Special Purpose Fuses
Features & Benefits
• Extremely current-limiting
• Low I
2
t and peak let-through currents
• Low watts loss
• High Interrupting ratings
• UL Recognized
• Wide range of ampere ratings
• Optional mounting types
• DC ratings
• Superior cycling abilities
• Compact sizes
• Optional blown fuse indicators
May be used wherever extremely fast acting, current-limiting fuses with
no time-delay are required.
Ratings
150V:
250V:
300V:
500V:
600V:
700V:
1000V:
1200V:
1300V:
1 – 6000A
1 – 4500A
35 – 4500A
10 – 1200A
1 – 2000A
6 – 2500A
15 – 1000A
1 – 30A
50 – 1800A
Recommended Fuse Blocks:
LSCR and 1LS series: Refer to the Blocks & Holders section of this catalog
for additional information.
84
www.littelfuse.com
© 2005 Littelfuse
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