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

The Square D LA26400BC is a 400 A molded case circuit breaker from the LA Series, designed for I-Line panelboards. It features a 42kA AIR rating at 240V AC, adjustable instantaneous trip, and lug terminals with a…

SKU 3G-OTH-721923

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 400 A Amps, 42kA at 240V AC, Adj, Lug, BC
Category
Square D Molded Case Circuit Breakers for I-Line Panelboards
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Technical Specifications

SQUARE D
Manufacturer Part Number
LA26400BC
Series
LA
Type
42kA at 240V AC, Adj, Lug, BC
Max. AIR Rating
42kA at 240V AC
Phase Connection
BC
Instantaneous Trip
Adjustable
Terminal Connection
Lug
Low Amp Trip Setting
2,000 A
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D LA26400BC is a 400 A molded case circuit breaker from the LA Series, designed for I-Line panelboards. It features a 42kA AIR rating at 240V AC, adjustable instantaneous trip, and lug terminals with a 2,000 A low amp trip setting. This BC-phase breaker provides overcurrent protection for industrial electrical distribution systems.

Frequently Asked Questions

What is the Square D LA26400BC molded case circuit breaker used for?

The Square D LA26400BC provides overcurrent protection for industrial electrical distribution systems. It is designed for I-Line panelboards, handling up to 400 A with a 42kA interrupting rating at 240V AC, making it suitable for commercial and manufacturing facilities.

What are the specifications of the Square D LA26400BC?

The LA26400BC is a 400 A molded case circuit breaker from the LA Series. It has a 42kA AIR rating at 240V AC, adjustable instantaneous trip, lug terminals, BC phase connection, and a 2,000 A low amp trip setting. It is designed for I-Line panelboards.

Where to buy the Square D LA26400BC worldwide?

3G Electric supplies the Square D LA26400BC worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this molded case circuit breaker.

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

Select a breaker like the LA26400BC by matching the amp rating (400 A), interrupting capacity (42kA at 240V AC), and phase connection (BC) to your system's requirements. Ensure the adjustable trip setting (2,000 A low amp) aligns with your load and coordination study.

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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