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SQUARE D Molded Case Circuit Breaker: 400 A Amps, 42kA at 240V AC, Adj, Lug, Non-Applicable - LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
SQUARE DLA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 400 A Amps, 42kA at 240V AC, Adj, Lug, Non-Applicable

The Square D LAL26400 is a 2-pole molded case circuit breaker from the LA-, LH-, Q4-Frame series, rated 400 A at 600 V AC with a maximum AIR rating of 42 kA at 240 V AC. It features an adjustable instantaneous trip…

SKU 3G-OTH-609469

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 400 A Amps, 42kA at 240V AC, Adj, Lug, Non-Applicable
Category
LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
LAL26400
Series
LAL
Type
42kA at 240V AC, Adj, Lug, Non-Applicable
AC
600V
Poles
2
Max. AIR Rating
42kA at 240V AC
Phase Connection
Non-Applicable
Instantaneous Trip
Adjustable
Terminal Connection
Lug
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D LAL26400 is a 2-pole molded case circuit breaker from the LA-, LH-, Q4-Frame series, rated 400 A at 600 V AC with a maximum AIR rating of 42 kA at 240 V AC. It features an adjustable instantaneous trip and lug terminal connections, with a non-applicable phase connection.

Frequently Asked Questions

What is the Square D LAL26400 molded case circuit breaker used for?

The Square D LAL26400 is a 2-pole molded case circuit breaker rated 400 A at 600 V AC, designed to protect electrical circuits from overloads and short circuits. It is commonly used in industrial power distribution panels, motor control centers, and commercial building feeder circuits where adjustable instantaneous trip settings are required.

What are the specifications of the Square D LAL26400 circuit breaker?

The Square D LAL26400 is a 2-pole molded case circuit breaker from the LAL series, rated 400 A at 600 V AC. It has a maximum AIR rating of 42 kA at 240 V AC, features an adjustable instantaneous trip, and uses lug terminal connections. Phase connection is non-applicable.

Where to buy the Square D LAL26400 circuit breaker worldwide?

3G Electric supplies the Square D LAL26400 molded case circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 400 A, 2-pole breaker with adjustable trip.

How to select the correct Square D LAL26400 circuit breaker for an application?

To select the Square D LAL26400, verify your system voltage (up to 600 V AC), continuous load current (400 A), and available fault current (up to 42 kA at 240 V AC). Ensure the adjustable instantaneous trip range covers your coordination requirements. Confirm lug terminal compatibility with your conductor size.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D la-, lh-, q4-frame square d molded case circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Molded Case Circuit Breaker: 300 A Amps, 42kA at 240V AC, Adj, Lug, ABC, 3 Poles, 600V AC, LAL (MPN LAL36300). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 42kA at 240V AC; Instantaneous Trip: Adjustable; Series: LAL.
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