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SQUARE D Molded Case Circuit Breaker: 125 A Amps, 25kA at 240V AC, Fixed, Lug, BC - Square D Molded Case Circuit Breakers for I-Line Panelboards
SQUARE DSquare D Molded Case Circuit Breakers for I-Line Panelboards

SQUARE D Molded Case Circuit Breaker: 125 A Amps, 25kA at 240V AC, Fixed, Lug, BC

The Square D QDA221254 is a 125 A molded case circuit breaker for I-Line panelboards, with 2 poles, 240V AC, and a 25kA at 240V AC maximum AIR rating. It features a fixed instantaneous trip, lug terminal connection…

SKU 3G-OTH-721905

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 125 A Amps, 25kA at 240V AC, Fixed, Lug, BC
Category
Square D Molded Case Circuit Breakers for I-Line Panelboards
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Technical Specifications

SQUARE D
Manufacturer Part Number
QDA221254
Series
QD
Type
25kA at 240V AC, Fixed, Lug, BC, QD
AC
240V
Poles
2
Max. AIR Rating
25kA at 240V AC
Phase Connection
BC
Instantaneous Trip
Fixed
Terminal Connection
Lug
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D QDA221254 is a 125 A molded case circuit breaker for I-Line panelboards, with 2 poles, 240V AC, and a 25kA at 240V AC maximum AIR rating. It features a fixed instantaneous trip, lug terminal connection, and BC phase connection, part of the QD series.

Frequently Asked Questions

What is the Square D QDA221254 molded case circuit breaker used for?

The Square D QDA221254 is a 125 A molded case circuit breaker designed for I-Line panelboards. It protects electrical circuits from overloads and short circuits in industrial and commercial power distribution systems, with a 25kA interrupting rating at 240V AC.

What are the specifications of the Square D QDA221254 circuit breaker?

The Square D QDA221254 is a 2-pole, 125 A molded case circuit breaker rated for 240V AC with a maximum AIR rating of 25kA at 240V AC. It has a fixed instantaneous trip, lug terminal connection, BC phase connection, and is part of the QD series.

Where to buy the Square D QDA221254 circuit breaker worldwide?

3G Electric supplies the Square D QDA221254 molded case circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine Square D equipment for your I-Line panelboard needs.

How to select the right Square D QDA221254 circuit breaker for an I-Line panelboard?

To select the Square D QDA221254, verify your panelboard accepts QD series breakers and requires a 125 A, 2-pole, 240V AC device with a 25kA interrupting rating. Ensure the lug terminal and BC phase connection match your system. 3G Electric can help confirm compatibility.

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 square d molded case circuit breakers for i-line panelboards. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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