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SQUARE D Molded Case Circuit Breaker: 90 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: 90 A Amps, 25kA at 240V AC, Fixed, Lug, BC

The Square D QDA220904 is a 90 A molded case circuit breaker for I-Line panelboards, rated 25kA at 240V AC with 2 poles. It features fixed instantaneous trip, lug terminals, and BC phase connection in the QD series.

SKU 3G-OTH-721901

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 90 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
QDA220904
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
View Full Spec Sheet

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

Product Description

The Square D QDA220904 is a 90 A molded case circuit breaker for I-Line panelboards, rated 25kA at 240V AC with 2 poles. It features fixed instantaneous trip, lug terminals, and BC phase connection in the QD series.

Frequently Asked Questions

What is the Square D QDA220904 molded case circuit breaker used for?

The Square D QDA220904 is a 90 A molded case circuit breaker designed for I-Line panelboards. It protects electrical circuits from overloads and short circuits in commercial and industrial power distribution systems, with a 25kA interrupting rating at 240V AC.

What are the specifications of the Square D QDA220904?

The Square D QDA220904 is a 90 A, 2-pole molded case circuit breaker rated 25kA at 240V AC. It features fixed instantaneous trip, lug terminals, BC phase connection, and belongs to the QD series. The maximum AIR rating is 25kA at 240V AC.

Where to buy the Square D QDA220904 worldwide?

3G Electric supplies the Square D QDA220904 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this QD series breaker.

How to install the Square D QDA220904 in an I-Line panelboard?

To install the Square D QDA220904, ensure the panelboard is de-energized. Align the breaker's line-side jaws with the I-Line bus bars and press firmly until it snaps into place. Torque lug terminals to manufacturer specifications for secure connections.

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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