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SQUARE D MJL36450 M-Frame Molded Case Circuit Breaker - M-Frame Square D Molded Case Circuit Breakers
SQUARE DM-Frame Square D Molded Case Circuit Breakers

SQUARE D MJL36450 M-Frame Molded Case Circuit Breaker

The Square D MJL36450 is a 450 A, 3-pole M-Frame Molded Case Circuit Breaker rated 600V AC with a maximum AIR rating of 25kA at 600V AC. It features an adjustable instantaneous trip, box lug terminal connections, and…

SKU 3G-OTH-609530

Also listed as: MJL 36450 · MJL-36450

Brand
SQUARE D
Item
MJL36450 M-Frame Molded Case Circuit Breaker
Part Number
MJL36450
Category
M-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
MJL36450
Series
MJ
Type
25kA at 600V AC, Adj, Box Lug, ABC, MJ
AC
600V
Poles
3
Max. AIR Rating
25kA at 600V AC
Phase Connection
ABC
Instantaneous Trip
Adjustable
Terminal Connection
Box Lug

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

Product Description

The Square D MJL36450 is a 450 A, 3-pole M-Frame Molded Case Circuit Breaker rated 600V AC with a maximum AIR rating of 25kA at 600V AC. It features an adjustable instantaneous trip, box lug terminal connections, and ABC phase connection in the MJ series.

Frequently Asked Questions

What is the Square D MJL36450 molded case circuit breaker used for?

The Square D MJL36450 is a 450 A, 3-pole M-Frame molded case circuit breaker used for overcurrent protection in industrial power distribution systems. It is rated 600V AC with a 25kA interrupting capacity and an adjustable instantaneous trip, making it suitable for motor and feeder circuits.

What are the specifications of the Square D MJL36450?

The Square D MJL36450 is a 450 A, 3-pole molded case circuit breaker rated 600V AC with a maximum AIR rating of 25kA at 600V AC. It features an adjustable instantaneous trip, box lug terminals, and ABC phase connection. It is part of the MJ series with MPN MJL36450.

Where to buy the Square D MJL36450 worldwide?

3G Electric supplies the Square D MJL36450 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 450 A, 3-pole molded case circuit breaker from the MJ series.

How to select the right Square D molded case circuit breaker?

To select the right Square D molded case circuit breaker, match the continuous current rating (e.g., 450 A), voltage rating (600V AC), and interrupting capacity (25kA) to your system requirements. Verify pole count, terminal type (box lug), and trip adjustment (adjustable instantaneous) for your 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 m-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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The SQUARE D MJA36450 is a 450 A, 3-pole, 600V AC molded case circuit breaker with a 25kA interrupting rating at 600V AC. It features an adjustable instantaneous trip for coordination with downstream equipment and box lug terminals for simplified field wiring. Part of the MJ series, it is used for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards
SQUARE D
The SQUARE D MJA36450 is a 450 A, 3-pole, 600V AC molded case circuit breaker with a 25kA interrupting rating at 600V AC. It features an adjustable instantaneous trip for coordination with downstream equipment and box lug terminals for simplified field wiring. Part of the MJ series, it is used for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards
3-pole M-Frame molded case circuit breaker rated 300 A at 600V AC with a maximum AIR rating of 25kA at 600V AC. Features adjustable instantaneous trip, box lug terminals, and ABC phase connection. Used for overcurrent protection in power distribution panels, motor control centers, and switchboards
SQUARE D
3-pole M-Frame molded case circuit breaker rated 300 A at 600V AC with a maximum AIR rating of 25kA at 600V AC. Features adjustable instantaneous trip, box lug terminals, and ABC phase connection. Used for overcurrent protection in power distribution panels, motor control centers, and switchboards
Three-pole molded case circuit breaker rated 800 A at 600 V AC with a maximum interrupting rating of 25 kA at 600 V AC. Features adjustable instantaneous trip, box lug terminals, and ABC phase connection. Suitable for overcurrent protection in power distribution, motor control centers, and switchboards
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Three-pole molded case circuit breaker rated 800 A at 600 V AC with a maximum interrupting rating of 25 kA at 600 V AC. Features adjustable instantaneous trip, box lug terminals, and ABC phase connection. Suitable for overcurrent protection in power distribution, motor control centers, and switchboards

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