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SQUARE D Molded Case Circuit Breaker: 125 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting - J-Frame Square D Molded Case Circuit Breakers
SQUARE DJ-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 125 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting

The Square D J-Frame Molded Case Circuit Breaker (SKU 6NHF5, MPN JGL37125D81) is a 125 A, 3-pole unit with an adjustable instantaneous trip and a 400 A low amp trip setting. It features box lug terminals and ABC…

SKU 3G-OTH-609410

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 125 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting
Category
J-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
JGL37125D81
Series
JG
Type
Adj, Box Lug, ABC, JG
Poles
3
Max. AIR Rating
Not Rated
Phase Connection
ABC
Instantaneous Trip
Adjustable
Terminal Connection
Box Lug
Low Amp Trip Setting
400 A
View Full Spec Sheet

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

Product Description

The Square D J-Frame Molded Case Circuit Breaker (SKU 6NHF5, MPN JGL37125D81) is a 125 A, 3-pole unit with an adjustable instantaneous trip and a 400 A low amp trip setting. It features box lug terminals and ABC phase connection, part of the JG series.

Frequently Asked Questions

What is the Square D JGL37125D81 molded case circuit breaker used for?

The Square D JGL37125D81 is a 125 A, 3-pole molded case circuit breaker used for overcurrent protection in industrial power distribution. Its adjustable instantaneous trip and 400 A low amp trip setting make it suitable for motor and feeder circuits requiring flexible protection coordination.

What are the specifications of the Square D JGL37125D81 circuit breaker?

The Square D JGL37125D81 is a 125 A, 3-pole J-frame breaker from the JG series. It has an adjustable instantaneous trip, a 400 A low amp trip setting, box lug terminals, and ABC phase connection. Its max AIR rating is not rated. 3G Electric supplies this genuine Square D unit worldwide.

Where to buy the Square D JGL37125D81 circuit breaker worldwide?

3G Electric supplies the genuine Square D JGL37125D81 molded case circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 125 A, 3-pole J-frame breaker with adjustable trip.

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

Select a Square D J-frame breaker like the JGL37125D81 by matching its 125 A rating, 3-pole configuration, and adjustable instantaneous trip to your circuit's load and fault requirements. Verify terminal type (box lug) and phase connection (ABC) match your panel. 3G Electric can help you source the correct Square D model.

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.

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Molded Case Circuit Breaker: 100 A Amps, Adj, Box Lug, ABC, 400 A Low Amp Trip Setting, 3 Poles, JG (MPN JGL37100D81). Key specifications — Terminal Connection: Box Lug; Phase Connection: ABC; Max. AIR Rating: Not Rated; Instantaneous Trip: Adjustable; Series: JG.
Molded Case Circuit Breaker: 250 A Amps, 65kA at 240V AC, Adj, Lug, AC, 1,250 A Low Amp Trip Setting (MPN JGA262502). Key specifications — Terminal Connection: Lug; Phase Connection: AC; Max. AIR Rating: 65kA at 240V AC; Instantaneous Trip: Adjustable; Series: JG.
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