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SQUARE D Molded Case Circuit Breaker: 600 A Amps, 25kA at 600V AC, Adj, Box Lug - M-Frame Square D Molded Case Circuit Breakers
SQUARE DM-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 600 A Amps, 25kA at 600V AC, Adj, Box Lug

The Square D MJA36600 is a 3-pole, 600 A 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 terminals, and CBA phase…

SKU 3G-OTH-609506

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 600 A Amps, 25kA at 600V AC, Adj, Box Lug
Category
M-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
MJA36600
Series
MJ
Type
25kA at 600V AC, Adj, Box Lug, CBA, MJ
AC
600V
Poles
3
Max. AIR Rating
25kA at 600V AC
Phase Connection
CBA
Instantaneous Trip
Adjustable
Terminal Connection
Box Lug
View Full Spec Sheet

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

Product Description

The Square D MJA36600 is a 3-pole, 600 A 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 terminals, and CBA phase connection, part of the MJ series.

Frequently Asked Questions

What is the Square D MJA36600 molded case circuit breaker used for?

The Square D MJA36600 is a 600 A, 3-pole M-Frame molded case circuit breaker rated 600V AC. It protects industrial electrical distribution systems from overloads and short circuits, with an adjustable instantaneous trip for fine-tuning protection in manufacturing, processing, and heavy machinery applications.

What are the specifications of the Square D MJA36600?

The Square D MJA36600 is a 3-pole, 600 A 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 CBA phase connection. It is part of the MJ series and has the MPN MJA36600.

Where to buy the Square D MJA36600 worldwide?

3G Electric supplies the Square D MJA36600 molded case circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Square D MJ series breaker.

How to select the right Square D MJA36600 for my application?

To select the Square D MJA36600, verify your system voltage is 600V AC and your load current does not exceed 600 A. Ensure the available fault current is below 25kA at 600V AC. The adjustable instantaneous trip allows coordination with downstream devices. Consult a licensed electrician for proper sizing.

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 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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Molded Case Circuit Breaker: 800 A Amps, 18kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MG (MPN MGL36800). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
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Molded Case Circuit Breaker: 800 A Amps, 18kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MG (MPN MGL36800). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
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Molded Case Circuit Breaker: 300 A Amps, 18kA at 600V AC, Adj, Box Lug, CBA, 3 Poles, 600V AC, MG (MPN MGL36300). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
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Molded Case Circuit Breaker: 300 A Amps, 18kA at 600V AC, Adj, Box Lug, CBA, 3 Poles, 600V AC, MG (MPN MGL36300). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
Molded Case Circuit Breaker: 350 A Amps, 18kA at 600V AC, Adj, Box Lug, CBA, 3 Poles, 600V AC, MG (MPN MGL36350). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
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Molded Case Circuit Breaker: 600 A Amps, 25kA at 600V AC, Adj, Box Lug, CBA, 2 Poles, 600V AC, MJ (MPN MJL26600). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
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Molded Case Circuit Breaker: 600 A Amps, 25kA at 600V AC, Adj, Box Lug, CBA, 2 Poles, 600V AC, MJ (MPN MJL26600). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
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Molded Case Circuit Breaker: 350 A Amps, 25kA at 600V AC, Adj, Box Lug, CBA, 2 Poles, 600V AC, MJ (MPN MJL26350). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
Molded Case Circuit Breaker: 700 A Amps, 25kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MJ (MPN MJL36700). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
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Molded Case Circuit Breaker: 700 A Amps, 25kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MJ (MPN MJL36700). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
Molded Case Circuit Breaker: 300 A Amps, 25kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MJ (MPN MJA36300). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.
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Molded Case Circuit Breaker: 300 A Amps, 25kA at 600V AC, Adj, Box Lug, ABC, 3 Poles, 600V AC, MJ (MPN MJA36300). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: 25kA at 600V AC; Instantaneous Trip: Adjustable; Series: MJ.