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LA70QS300-4

Littelfuse

LA70QS300-4 by Littelfuse

LA70QS300-4 by Littelfuse is a 300A fast blow electric fuse with 55J nominal joule integral and 700V AC/DC rated voltage. Ideal for inline mounting, it offers high breaking capacity of 200kA, making it suitable for circuit protection in various applications.

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 . 8,381 parts In-Stock

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8,381

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Nova Conductors

Japan . 62 parts In-Stock

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62

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Distributors (Availability)

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Ampacity Inc.

Singapore . 264 parts In-Stock

1+ parts

$0.210

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264

$0.210

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AZTECH Wire

Italy . 780 parts In-Stock

1+ parts

$19.480

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780

$19.480

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Aranea Global

USA . 50 parts In-Stock

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50

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Overview

Looking for reliable circuit protection? Look no further than the LA70QS300-4 by Littelfuse. As a leading manufacturer in the industry, Littelfuse ensures top-notch quality and performance in their fuses. This fast blow electric fuse is perfect for a wide range of applications, providing 300A of rated current and a rated breaking capacity of 200,000A. Trust Littelfuse to keep your circuits safe and secure, delivering peace of mind and reliability with every use. Choose the LA70QS300-4 for all your circuit protection needs.

Feature Benefit Bullets

Nominal Joule Integral: 55 J

High joule rating ensures that the fuse can handle high energy surges and protect the circuit effectively.

Rated AC Voltage: 700 V

Suitable for use in applications where high AC voltages are present, providing reliable protection.

Body Length/Diameter: 38.1 mm

Compact size allows for easy installation in different setups and configurations.

Terminal Shape: TAB/BLADE

TAB/BLADE terminals are commonly used and offer secure connections for efficient performance.

Dimensions: 38.1mm x 72.2mm

The dimensions make it versatile for mounting in various equipment and systems.

Body Height: 72.2 mm

Sufficient height to accommodate the internal components while maintaining a compact form factor.

Rated Current: 300 A

High current rating allows the fuse to handle heavy loads without tripping unnecessarily.

Blow Characteristic: FAST

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

Circuit Protection Type: ELECTRIC FUSE

An electric fuse is a reliable method for circuit protection, offering quick interruption in case of faults.

Rated Breaking Capacity: 200000 A

High breaking capacity can effectively interrupt the circuit under fault conditions, preventing damage.

Rated DC Voltage: 700 V

Suitable for DC applications where high voltages are present, ensuring comprehensive protection.

Mounting Feature: INLINE/HOLDER

Can be mounted inline or in a holder, providing flexibility in installation options.

Reference Standard: CSA; UL

Compliance with recognized standards like CSA and UL ensures product quality and safety for users.

Technical Specifications

Fuses LA70QS300-4 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:

Physical Dimensions

Body Diameter:

1.5 in (38.1 mm)

Body Height:

2.843 in (72.2 mm)

Dimensions:

1.5 x 2.843 in (38.1 x 72.2 mm)

Fuse Characteristics

Blow Characteristic:

Fast

Additional Features:

Rated Breaking Capacity at 700 VDC: 100000 A

Nominal Joule Integral:

55 J

Design and Compliance

Reference Standard:

CSA; UL

Mounting and Packing

Terminal Shape:

Mounting Feature:

Trade Compliance

LA70QS300-4 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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