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3G Electric
SQUARE D MJA36800 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 MJA36800 M-Frame Molded Case Circuit Breaker

<p>The SQUARE D MJA36800 is a robust M-Frame molded case circuit breaker designed for high-current industrial applications. Rated at 800A with 3 poles and 600V AC, it delivers a maximum interrupting rating of 25kA at…

SKU 3G-OTH-609522

Also listed as: MJA 36800 · MJA-36800

Brand
SQUARE D
Item
MJA36800 M-Frame Molded Case Circuit Breaker
Part Number
MJA36800
Category
M-Frame Square D Molded Case Circuit Breakers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
MJA36800
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

Technical Documents

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

Product Description

<p>The SQUARE D MJA36800 is a robust M-Frame molded case circuit breaker designed for high-current industrial applications. Rated at 800A with 3 poles and 600V AC, it delivers a maximum interrupting rating of 25kA at 600V AC, ensuring reliable protection for demanding electrical systems. This breaker features an adjustable instantaneous trip and box lug terminals, offering flexibility and secure connections for ABC phase configurations.</p><p>Ideal for facility managers, electrical contractors, and OEMs in Singapore and across Southeast Asia, this MCCB is available with SGD quotes on request. For Singapore buyers, GST is handled seamlessly, and fast delivery is available across SG and SEA regions.</p>

Frequently Asked Questions

What is the interrupting rating of the SQUARE D MJA36800?

The MJA36800 has a maximum interrupting rating of 25kA at 600V AC.

Does the MJA36800 have adjustable trip settings?

Yes, the instantaneous trip is adjustable, and the terminal connection is box lug.

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
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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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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

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