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LA50QS400-4

Littelfuse

LA50QS400-4 by Littelfuse

LA50QS400-4 by Littelfuse is a fast blow electric fuse with 98J nominal joule integral, rated for 500V AC/DC and 400A current. It features TAB/BLADE terminals, CSA/UL standards compliance, and is ideal for inline mounting in applications requiring high breaking capacity.

Median Price

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Lifecycle Status

Suppliers In-Stock

2

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Vyrian

USA . 6,379 parts In-Stock

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6,379

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Nova Conductors

Japan . 51 parts In-Stock

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51

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Distributors (Availability)

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Ampacity Inc.

Singapore . 465 parts In-Stock

1+ parts

$1.210

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465

$1.210

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AZTECH Wire

Italy . 573 parts In-Stock

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$13.063

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573

$13.063

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Argo Parts USA

USA . 3,440 parts In-Stock

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3,440

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Continental Prestige Electronics

USA . 1,917 parts In-Stock

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Bastille Electronics

Australia . 300 parts In-Stock

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300

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Overview

Littelfuse brings you the LA50QS400-4, a high-quality fuse designed to provide reliable circuit protection in a variety of applications. With its fast blow characteristic and impressive 200,000 A rated breaking capacity, this fuse offers peace of mind for your electrical systems. Whether you're in industrial, automotive, or residential settings, the LA50QS400-4 is a dependable choice that ensures safety and efficiency. Trust Littelfuse for top-notch products that deliver superior performance every time.

Feature Benefit Bullets

Nominal Joule Integral: 98 J

High joule integral ensures excellent energy absorption capacity, providing reliable protection against power surges and overloads.

Rated AC Voltage: 500 V

Suitable for use in high voltage AC circuits, ensuring safe and efficient operation.

Body Length/Diameter: 38.1 mm

Compact size allows for easy installation in various equipment and systems.

Rated Voltage: 500 V

Capable of handling high voltage levels without compromising performance or safety.

Terminal Shape: TAB/BLADE

TAB/BLADE terminals provide secure and reliable connections for efficient circuit protection.

Dimensions: 38.1mm x 53.1mm

Optimal dimensions for compatibility with standard fuse holders and mounting systems.

Body Height: 53.1 mm

Sufficient height to accommodate the internal components and provide adequate clearance in the circuit.

Rated Current: 400 A

High rated current capacity allows for protection of heavy-duty electrical systems and equipment.

Blow Characteristic: FAST

Fast blow characteristic ensures quick response to overcurrent conditions, protecting the circuit efficiently.

Circuit Protection Type: ELECTRIC FUSE

Reliable circuit protection with an electric fuse design for safeguarding against overloads and short circuits.

Rated Breaking Capacity: 200000 A

High breaking capacity ensures the fuse can safely interrupt high fault currents, preventing damage to the connected equipment.

Rated DC Voltage: 500 V

Suitable for DC voltage applications, offering versatile protection capabilities.

Mounting Feature: INLINE/HOLDER

Can be easily mounted in-line or with a compatible holder, providing flexibility in installation options.

Reference Standard: CSA; UL

Compliance with industry standards ensures the quality, reliability, and safety of the product.

Technical Specifications

Fuses LA50QS400-4 attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

Rated Breaking Capacity:

200 kA

Rated AC Voltage:

Rated DC Voltage:

Rated Voltage:

500 V

Physical Dimensions

Body Diameter:

1.5 in (38.1 mm)

Body Height:

2.091 in (53.1 mm)

Dimensions:

1.5 x 2.091 in (38.1 x 53.1 mm)

Fuse Characteristics

Blow Characteristic:

Fast

Additional Features:

Rated Breaking Capacity at 500 VDC: 100000 A

Nominal Joule Integral:

98 J

Design and Compliance

Reference Standard:

CSA; UL

Mounting and Packing

Terminal Shape:

Mounting Feature:

Trade Compliance

LA50QS400-4 Circuit Protection trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

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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