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SQUARE D Molded Case Circuit Breaker: 300 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: 300 A Amps, 42kA at 240V AC, Adj, Lug, Non-Applicable

The Square D LAL26300 is a 300 A molded case circuit breaker from the LAL series, with 2 poles and a maximum AIR rating of 42kA at 240V AC. It features an adjustable instantaneous trip, lug terminal connections, and…

SKU 3G-OTH-609450

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 300 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
LAL26300
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
View Full Spec Sheet

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D LAL26300 is a 300 A molded case circuit breaker from the LAL series, with 2 poles and a maximum AIR rating of 42kA at 240V AC. It features an adjustable instantaneous trip, lug terminal connections, and is rated for 600V AC. This LA-, LH-, Q4-Frame breaker is part of 3G Electric's curated industrial electrical supply, backed by specialist depth in controls and power distribution.

Frequently Asked Questions

What is the Square D LAL26300 molded case circuit breaker used for?

The Square D LAL26300 is a 300 A molded case circuit breaker used for overcurrent protection in industrial power distribution and control panels. It is suitable for 600V AC systems and features an adjustable instantaneous trip, making it ideal for motor and equipment branch circuits.

What are the specifications of the Square D LAL26300?

The Square D LAL26300 is a 300 A, 2-pole molded case circuit breaker rated for 600V AC. It has a maximum AIR rating of 42kA at 240V AC, lug terminal connections, and an adjustable instantaneous trip. It belongs to the LAL series and is part of the LA-, LH-, Q4-frame family.

Where to buy the Square D LAL26300 worldwide?

3G Electric supplies the Square D LAL26300 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 300 A molded case circuit breaker.

How to select the correct Square D LAL series breaker for my application?

To select the correct Square D LAL series breaker, verify your system voltage (600V AC max), continuous current (300 A for the LAL26300), and available fault current (42kA at 240V AC). Ensure the adjustable instantaneous trip range covers your motor or load inrush. Consult a qualified engineer for coordination studies.

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: 400 A Amps, 42kA at 240V AC, Adj, Lug, Non-Applicable, 2 Poles, 600V AC (MPN LAL26400). Key specifications — Terminal Connection: Lug; Phase Connection: Non-Applicable; Max. AIR Rating: 42kA at 240V AC; Instantaneous Trip: Adjustable; Series: LAL.
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Molded Case Circuit Breaker: 250 A Amps, 25kA at 120/240V AC, Adj, Lug, ABC, 3 Poles, 240V AC, Q4 (MPN Q4L3250). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 120/240V AC; Instantaneous Trip: Adjustable; Series: Q4.
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Molded Case Circuit Breaker: 250 A Amps, 25kA at 120/240V AC, Adj, Lug, ABC, 3 Poles, 240V AC, Q4 (MPN Q4L3250). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 120/240V AC; Instantaneous Trip: Adjustable; Series: Q4.
Molded Case Circuit Breaker: 400 A Amps, 25kA at 120/240V AC, Adj, Lug, ABC, 3 Poles, 240V AC, Q4 (MPN Q4L3400). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 120/240V AC; Instantaneous Trip: Adjustable; Series: Q4.
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Molded Case Circuit Breaker: 250 A Amps, 42kA at 240V AC, Adj, Lug, ABC, 3 Poles, 600V AC, LAL (MPN LAL36250). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 42kA at 240V AC; Instantaneous Trip: Adjustable; Series: LAL.
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Molded Case Circuit Breaker: 250 A Amps, 42kA at 240V AC, Adj, Lug, ABC, 3 Poles, 600V AC, LAL (MPN LAL36250). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 42kA at 240V AC; Instantaneous Trip: Adjustable; Series: LAL.
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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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.
Molded Case Circuit Breaker: 400 A Amps, 42kA at 240V AC, Adj, Lug, ABC, 3 Poles, 600V AC, LAL (MPN LAL36400). Key specifications — Terminal Connection: Lug; Phase Connection: ABC; Max. AIR Rating: 42kA at 240V AC; Instantaneous Trip: Adjustable; Series: LAL.
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Molded Case Circuit Breaker: 250 A Amps, 25kA at 120/240V AC, Adj, Lug, Non-Applicable, 2 Poles, Q4 (MPN Q4L2250). Key specifications — Terminal Connection: Lug; Phase Connection: Non-Applicable; Max. AIR Rating: 25kA at 120/240V AC; Instantaneous Trip: Adjustable; Series: Q4.
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