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3G Electric
SQUARE D Q4L3300 Q4-Frame Molded Case Circuit Breaker, 300A, 240V AC, 3-Pole - LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
SQUARE DLA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers

SQUARE D Q4L3300 Q4-Frame Molded Case Circuit Breaker, 300A, 240V AC, 3-Pole

The Square D Q4L3300 is a Q4-Frame molded case circuit breaker rated for 300 A at 240V AC with a maximum AIR rating of 25kA at 120/240V AC. It features 3 poles, ABC phase connection, adjustable instantaneous trip…

SKU 3G-OTH-609476

Brand
SQUARE D
Item
Q4L3300 Q4-Frame Molded Case Circuit Breaker, 300A, 240V AC, 3-Pole
Part Number
Q4L3300
Category
LA-, LH-, Q4-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
Q4L3300
Series
Q4
Type
25kA at 120/240V AC, Adj, Lug, ABC, Q4
AC
240V
Poles
3
Max. AIR Rating
25kA at 120/240V AC
Phase Connection
ABC
Instantaneous Trip
Adjustable
Terminal Connection
Lug

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D Q4L3300 is a Q4-Frame molded case circuit breaker rated for 300 A at 240V AC with a maximum AIR rating of 25kA at 120/240V AC. It features 3 poles, ABC phase connection, adjustable instantaneous trip, and lug terminals.

Frequently Asked Questions

What is the Square D Q4L3300 molded case circuit breaker used for?

The Square D Q4L3300 is a Q4-Frame molded case circuit breaker rated for 300 A at 240V AC. It protects electrical circuits from overloads and short circuits in industrial and commercial power distribution systems, with an adjustable instantaneous trip for flexible coordination.

What are the specifications of the Square D Q4L3300?

The Square D Q4L3300 is a 3-pole, 300 A molded case circuit breaker rated for 240V AC with a maximum AIR rating of 25kA at 120/240V AC. It features lug terminals, ABC phase connection, and an adjustable instantaneous trip. The series is Q4.

Where to buy the Square D Q4L3300 worldwide?

3G Electric supplies the Square D Q4L3300 worldwide. We interpret your demand, source this OEM part, and handle full logistics and customs clearance for delivery to your location. Contact us for availability and lead time on this Q4-Frame circuit breaker.

How to select the Square D Q4L3300 for an application?

To select the Square D Q4L3300, verify your system voltage (240V AC), continuous current (300 A), and available fault current (up to 25kA at 120/240V AC). Ensure the adjustable trip range matches your coordination study. 3G Electric provides specialist support across electrical and controls departments.

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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