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SQUARE D Molded Case Circuit Breaker: 250 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: 250 A Amps, 42kA at 240V AC, Adj, Lug, AC

The Square D LA Series Molded Case Circuit Breaker (MPN LA26250AC) is a 250 A, 42kA at 240V AC rated unit with an adjustable instantaneous trip and lug terminal connections for AC phase applications. It features a…

SKU 3G-OTH-609751

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 250 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
LA26250AC
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
1,250 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 LA26250AC) is a 250 A, 42kA at 240V AC rated unit with an adjustable instantaneous trip and lug terminal connections for AC phase applications. It features a low amp trip setting of 1,250 A and is designed for I-Line panelboards.

Frequently Asked Questions

What is the Square D LA26250AC molded case circuit breaker used for?

The Square D LA26250AC is a 250 A molded case circuit breaker with a 42kA interrupting rating at 240V AC, used to protect electrical circuits from overloads and short circuits in I-Line panelboards. It is common in industrial and commercial power distribution systems where adjustable instantaneous trip settings are required.

What are the specifications of the Square D LA26250AC circuit breaker?

The Square D LA26250AC is a 250 A molded case circuit breaker with a maximum 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 1,250 A. It is part of the LA Series for I-Line panelboards.

Where to buy the Square D LA26250AC circuit breaker worldwide?

3G Electric supplies the Square D LA26250AC molded case circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 250 A, 42kA at 240V AC unit for your I-Line panelboard application.

How to select the right Square D LA series circuit breaker for my panelboard?

To select the correct Square D LA series breaker, match the ampere rating (e.g., 250 A), interrupting capacity (e.g., 42kA at 240V AC), and terminal type (lug) to your system's requirements. Ensure the breaker is designed for I-Line panelboards and that the adjustable instantaneous trip setting (low amp trip of 1,250 A) aligns with your protection 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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Molded Case Circuit Breaker: 200 A Amps, 25kA at 240V AC, Fixed, Lug, BC, 2 Poles, 240V AC, QD (MPN QDA222004). Key specifications — Terminal Connection: Lug; Phase Connection: BC; Max. AIR Rating: 25kA at 240V AC; Instantaneous Trip: Fixed; Series: QD.
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