Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SQUARE D J-Frame Molded Case Circuit Breaker - J-Frame Square D Molded Case Circuit Breakers
SQUARE DJ-Frame Square D Molded Case Circuit Breakers

SQUARE D J-Frame Molded Case Circuit Breaker

The Square D J-Frame Molded Case Circuit Breaker (MPN JGL36250U31X) is a 250 A, 3-pole device rated 600V AC with a maximum AIR rating of 65kA at 240V AC. It features an adjustable instantaneous trip, box lug…

SKU 3G-OTH-609478

Brand
SQUARE D
Item
J-Frame Molded Case Circuit Breaker
Category
J-Frame Square D Molded Case Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
JGL36250U31X
Series
JG
Type
65kA at 240V AC, Adj, Box Lug, ABC, JG
AC
600V
Poles
3
Max. AIR Rating
65kA at 240V AC
Phase Connection
ABC
Instantaneous Trip
Adjustable
Terminal Connection
Box Lug

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Square D J-Frame Molded Case Circuit Breaker (MPN JGL36250U31X) is a 250 A, 3-pole device rated 600V AC with a maximum AIR rating of 65kA at 240V AC. It features an adjustable instantaneous trip, box lug terminals, and ABC phase connection, part of the JG series.

Frequently Asked Questions

What is the Square D JGL36250U31X molded case circuit breaker used for?

The Square D JGL36250U31X is a 250 A, 3-pole molded case circuit breaker used for overcurrent protection in industrial power distribution systems. It is suitable for 600V AC applications and provides adjustable instantaneous trip settings, making it ideal for motor and feeder circuits.

What are the specifications of the Square D JGL36250U31X circuit breaker?

The Square D JGL36250U31X is a 250 A, 3-pole molded case circuit breaker rated 600V AC with a maximum AIR rating of 65kA at 240V AC. It features adjustable instantaneous trip, box lug terminals, and ABC phase connection. It is part of the JG series.

Where to buy the Square D JGL36250U31X circuit breaker worldwide?

3G Electric supplies the Square D JGL36250U31X molded case circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Square D breaker to your facility, no matter the location.

How to select the correct Square D J-frame circuit breaker for my application?

To select the correct Square D J-frame breaker like the JGL36250U31X, verify your system voltage (600V AC max), continuous current (250 A), and available fault current (65kA at 240V AC). Ensure the trip type (adjustable) and terminal style (box lug) match your panel and wiring requirements.

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 j-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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 25 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43225)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 25 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43225)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 35 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43235)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 35 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43235)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 4 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43204)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 4 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43204)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 8 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43208)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 8 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43208)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 5 A Amps, 125V DC, 14kA at 120/240V AC, C60BP (MPN M9F43205)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 5 A Amps, 125V DC, 14kA at 120/240V AC, C60BP (MPN M9F43205)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 40 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43240)
SCHNEIDER ELECTRIC IEC
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 40 A Amps, 14kA at 120/240V AC, Screw Clamp, C60BP (MPN M9F43240)

More from SQUARE D

View all SQUARE D parts
250 A, 3-pole molded case circuit breaker rated 600V AC with a maximum AIR of 25kA at 240V AC. Features an adjustable instantaneous trip, ABC phase connection, and line/load lug terminals. Suitable for overcurrent protection in power distribution panels, motor control centers, and switchboards
SQUARE D
250 A, 3-pole molded case circuit breaker rated 600V AC with a maximum AIR of 25kA at 240V AC. Features an adjustable instantaneous trip, ABC phase connection, and line/load lug terminals. Suitable for overcurrent protection in power distribution panels, motor control centers, and switchboards
225 A molded case circuit breaker from the JD series, rated 25kA at 240V AC. Features an adjustable instantaneous trip mechanism and line/load lug terminals. Suitable for overcurrent protection in industrial and commercial power distribution systems, including panelboards and switchboards
SQUARE D
225 A molded case circuit breaker from the JD series, rated 25kA at 240V AC. Features an adjustable instantaneous trip mechanism and line/load lug terminals. Suitable for overcurrent protection in industrial and commercial power distribution systems, including panelboards and switchboards
This 150 A molded case circuit breaker from the JD series provides overcurrent protection with a maximum AIR rating of 25kA at 240V AC. It features an adjustable instantaneous trip for coordination with downstream equipment and line/load lug terminals for wiring. Suitable for use in industrial and commercial power distribution systems such as panelboards and switchboards
SQUARE D
This 150 A molded case circuit breaker from the JD series provides overcurrent protection with a maximum AIR rating of 25kA at 240V AC. It features an adjustable instantaneous trip for coordination with downstream equipment and line/load lug terminals for wiring. Suitable for use in industrial and commercial power distribution systems such as panelboards and switchboards
Molded Case Circuit Breaker: 200 A Amps, 65kA at 240V AC, Adj, Lug, AC, 1,000 A Low Amp Trip Setting (MPN JGA262002)
SQUARE D
Molded Case Circuit Breaker: 200 A Amps, 65kA at 240V AC, Adj, Lug, AC, 1,000 A Low Amp Trip Setting (MPN JGA262002)
Molded Case Circuit Breaker: 250 A Amps, 65kA at 240V AC, Adj, Lug, AC, 1,250 A Low Amp Trip Setting (MPN JGA262502)
SQUARE D
Molded Case Circuit Breaker: 250 A Amps, 65kA at 240V AC, Adj, Lug, AC, 1,250 A Low Amp Trip Setting (MPN JGA262502)
Molded Case Circuit Breaker: 225 A Amps, 65kA at 240V AC, Adj, Lug, AB, 1,125 A Low Amp Trip Setting (MPN JGA262251)
SQUARE D
Molded Case Circuit Breaker: 225 A Amps, 65kA at 240V AC, Adj, Lug, AB, 1,125 A Low Amp Trip Setting (MPN JGA262251)
Molded Case Circuit Breaker: 225 A Amps, 25kA at 240V AC, Instantaneous, Line/Load Lug, ABC, 3 Poles (MPN JGA36225)
SQUARE D
Molded Case Circuit Breaker: 225 A Amps, 25kA at 240V AC, Instantaneous, Line/Load Lug, ABC, 3 Poles (MPN JGA36225)
Molded Case Circuit Breaker: 175 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting, 3 Poles, JG (MPN JGL37175D81)
SQUARE D
Molded Case Circuit Breaker: 175 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting, 3 Poles, JG (MPN JGL37175D81)