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SQUARE D Q4L2400 Molded Case Circuit Breaker - LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
SQUARE DLA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers

SQUARE D Q4L2400 Molded Case Circuit Breaker

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
Q4L2400 Molded Case Circuit Breaker
Part Number
Q4L2400
Category
LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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.

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 electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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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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