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SQUARE D Molded Case Circuit Breaker: 400 A Amps, 25kA at 120/240V AC, Adj, Lug - 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, 25kA at 120/240V AC, Adj, Lug

The Square D Q4L2400 is a Q4-Frame molded case circuit breaker rated for 400 A with a maximum AIR rating of 25kA at 120/240V AC. This 2-pole unit features an adjustable instantaneous trip and lug-type terminal…

SKU 3G-OTH-609472

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 400 A Amps, 25kA at 120/240V AC, Adj, Lug
Category
LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
Q4L2400
Series
Q4
Type
25kA at 120/240V AC, Adj, Lug, Non-Applicable, Q4
Poles
2
Max. AIR Rating
25kA at 120/240V 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 Q4L2400 is a Q4-Frame molded case circuit breaker rated for 400 A with a maximum AIR rating of 25kA at 120/240V AC. This 2-pole unit features an adjustable instantaneous trip and lug-type terminal connections, with a non-applicable phase connection. 3G Electric interprets demand and delivers this genuine industrial breaker across 14 departments, with specialist depth in controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Square D Q4L2400 molded case circuit breaker used for?

The Square D Q4L2400 is a 400 A, 2-pole molded case circuit breaker used for overcurrent protection in industrial and commercial power distribution systems. Its adjustable instantaneous trip allows fine-tuning for motor and equipment protection, and it is suitable for 120/240V AC applications with a 25kA interrupting rating.

What are the specifications of the Square D Q4L2400 circuit breaker?

The Square D Q4L2400 is a Q4-Frame molded case circuit breaker rated 400 A, 2-pole, with a maximum AIR rating of 25kA at 120/240V AC. It features an adjustable instantaneous trip, lug-type terminal connections, and a non-applicable phase connection. The series is Q4, and the manufacturer part number is Q4L2400.

Where to buy the Square D Q4L2400 circuit breaker worldwide?

3G Electric supplies the genuine Square D Q4L2400 circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this Q4-Frame breaker with adjustable trip and lug terminals for your power distribution needs.

How to select the correct Square D Q4L2400 circuit breaker for an application?

To select the Square D Q4L2400, verify your system voltage (120/240V AC), required ampere rating (400 A), and interrupting capacity (25kA minimum). Ensure the 2-pole configuration matches your phase connection (non-applicable here). The adjustable instantaneous trip allows coordination with downstream devices. Consult a licensed engineer for proper application.

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: 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.
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: 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.
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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