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KLB4

Littelfuse

KLB4 by Littelfuse

KLB4 by Littelfuse is a 4A fast blow electric fuse with 250V AC/DC rated voltage, ideal for inline mounting. With dimensions of 14.3mm x 50.8mm and high breaking capacity of 200kA, it meets CSA and UL standards for reliable circuit protection in various applications.

Median Price

$1.390

Lifecycle Status

Suppliers In-Stock

11

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Bürklin Elektronik

Germany . 1 parts In-Stock

1+ parts

$1.390

100+ parts

$1.100

1k+ parts

$0.950

10k+ parts

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1

$1.390

$1.100

$0.950

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Distrelec

Netherlands . 5,192 parts In-Stock

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Distributors (In-Stock)

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Nova Conductors

Japan . 700 parts In-Stock

1+ parts

$1.682

100+ parts

-

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700

$1.682

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Rapid Electronics

USA . 71 parts In-Stock

1+ parts

$2.033

100+ parts

$1.830

1k+ parts

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71

$2.033

$1.830

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Vyrian

USA . 6,032 parts In-Stock

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6,032

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LIBRA Elektronik GmbH

Germany . 149 parts In-Stock

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149

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Manotoh

Italy . 68 parts In-Stock

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68

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ComSIT Distribution GmbH

Germany . 32 parts In-Stock

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ACDS - Activité Composants Distribution Service

France . 21 parts In-Stock

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Holdelec - ElecDif-Pro

France . 20 parts In-Stock

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Quittner & Schimek s.r.o.

Czech Republic . 2 parts In-Stock

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Aranea Global

USA . 50 parts In-Stock

1+ parts

$1.648

100+ parts

-

1k+ parts

$1.582

10k+ parts

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50

$1.648

-

$1.582

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Continental Prestige Electronics

USA . 34,195 parts In-Stock

1+ parts

$1.682

100+ parts

-

1k+ parts

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10k+ parts

$1.648

34,195

$1.682

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-

$1.648

Argo Parts USA

USA . 256 parts In-Stock

1+ parts

$1.682

100+ parts

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256

$1.682

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Allen Electronics Distributors

USA . 870 parts In-Stock

1+ parts

$1.790

100+ parts

$1.530

1k+ parts

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10k+ parts

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870

$1.790

$1.530

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Aztec Data Supply Inc.

USA . 4,147 parts In-Stock

1+ parts

$19.130

100+ parts

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4,147

$19.130

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Standard Data Resources (Excess)

USA . 2,200 parts In-Stock

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2,200

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Cyclops Electronics Ltd (Excess)

UK . 85 parts In-Stock

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85

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Overview

Power up your circuits with the KLB4 fuse by Littelfuse, a reliable and high-quality solution for your electrical protection needs. As a leading manufacturer in the industry, Littelfuse guarantees top-notch performance and durability. The KLB4 fuse is perfect for a variety of applications, offering peace of mind and safeguarding your equipment from potential damage. Say goodbye to electrical mishaps and hello to uninterrupted productivity with the KLB4 fuse - your go-to choice for circuit protection.

Feature Benefit Bullets

Rated AC Voltage: 250 V

The high AC voltage rating of 250V makes this fuse suitable for a variety of electrical applications where a reliable fuse protection is required.

Body Length/Diameter: 14.3 mm

The compact size of 14.3mm ensures easy installation in tight spaces without compromising on performance.

Terminal Shape: END CAP

The end cap terminal shape allows for secure and stable connection, ensuring proper functioning of the fuse in the circuit.

Dimensions: 14.3mm x 50.8mm

The dimensions of 14.3mm x 50.8mm provide a standard size for easy replacement and compatibility with a wide range of fuse holders.

Rated Current: 4 A

With a rated current of 4A, this fuse can effectively protect against overcurrent and short circuit situations in various electrical systems.

Blow Characteristic: FAST

The fast blow characteristic ensures quick response to overcurrent conditions, providing reliable protection to the connected equipment.

Circuit Protection Type: ELECTRIC FUSE

This electric fuse type offers a high level of circuit protection, safeguarding against electrical faults and ensuring the safety of the overall system.

Rated Breaking Capacity: 200000 A

The high breaking capacity of 200,000A makes this fuse suitable for handling high fault currents, ensuring efficient protection and reliability.

Rated DC Voltage: 250 V

With a rated DC voltage of 250V, this fuse is suitable for DC applications where a durable and reliable fuse protection is required.

Mounting Feature: INLINE/HOLDER

The versatile mounting feature allows for easy installation in various configurations, providing flexibility and convenience in different setups.

Reference Standard: CSA; UL

Compliant with industry standards such as CSA and UL, this fuse ensures high quality and reliability, making it a trustworthy choice for electrical protection needs.

Technical Specifications

Fuses KLB4 attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

4 A

Rated Breaking Capacity:

200 kA

Rated AC Voltage:

Rated DC Voltage:

Physical Dimensions

Body Diameter:

0.563 in (14.3 mm)

Body Height:

2 in (50.8 mm)

Dimensions:

0.563 x 2 in (14.3 x 50.8 mm)

Fuse Characteristics

Blow Characteristic:

Fast

Additional Features:

Rated Breaking Capacity at 250 VDC: 20000 A

Design and Compliance

Reference Standard:

CSA; UL

Manufacturer Series:

KLB

Mounting and Packing

Terminal Shape:

Mounting Feature:

Trade Compliance

KLB4 Circuit Protection trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

NSN

5920-00-116-2777, 5920001162777

NIIN

001162777

Manufacturer Highlights

Littelfuse

Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.

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