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SQUARE D Molded Case Circuit Breaker: 300 A Amps, 42kA at 240V AC, Adj, Lug, AC - Square D Molded Case Circuit Breakers for I-Line Panelboards
SQUARE DSquare D Molded Case Circuit Breakers for I-Line Panelboards

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

The Square D LA Series Molded Case Circuit Breaker (MPN LA26300AC) is a 300 A, 42kA at 240V AC rated unit for I-Line Panelboards. It features an adjustable instantaneous trip, a low amp trip setting of 1,500 A, and…

SKU 3G-OTH-609761

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 300 A Amps, 42kA at 240V AC, Adj, Lug, AC
Category
Square D Molded Case Circuit Breakers for I-Line Panelboards
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Technical Specifications

SQUARE D
Manufacturer Part Number
LA26300AC
Series
LA
Type
42kA at 240V AC, Adj, Lug, AC
Max. AIR Rating
42kA at 240V AC
Phase Connection
AC
Instantaneous Trip
Adjustable
Terminal Connection
Lug
Low Amp Trip Setting
1,500 A
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D LA Series Molded Case Circuit Breaker (MPN LA26300AC) is a 300 A, 42kA at 240V AC rated unit for I-Line Panelboards. It features an adjustable instantaneous trip, a low amp trip setting of 1,500 A, and lug terminal connections for AC phase connection.

Frequently Asked Questions

What is the Square D LA26300AC molded case circuit breaker used for?

The Square D LA26300AC is a 300 A molded case circuit breaker designed for I-Line panelboards in industrial and commercial power distribution systems. It protects circuits from overloads and short circuits with an adjustable instantaneous trip and a low amp trip setting of 1,500 A.

What are the specifications of the Square D LA26300AC circuit breaker?

The Square D LA26300AC is rated 300 A with a max AIR rating of 42kA at 240V AC. It features an adjustable instantaneous trip, lug terminal connections, AC phase connection, and a low amp trip setting of 1,500 A. It belongs to the LA series for I-Line panelboards.

Where to buy the Square D LA26300AC circuit breaker worldwide?

3G Electric supplies the Square D LA26300AC molded case circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 300 A, 42kA at 240V AC unit.

How to select the right Square D LA series circuit breaker for an I-Line panelboard?

To select the correct Square D LA series breaker, match the amp rating (e.g., 300 A for LA26300AC), voltage (240V AC), and interrupting capacity (42kA) to your system's fault current. Ensure the breaker's adjustable trip settings align with your load requirements and panelboard compatibility.

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 square d molded case circuit breakers for i-line panelboards. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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