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SQUARE D Molded Case Circuit Breaker: 40 A Amps, 25kA at 277/408V AC, Fixed, AB - B-Frame Square D Molded Case Circuit Breakers
SQUARE DB-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 40 A Amps, 25kA at 277/408V AC, Fixed, AB

The Square D BDA24040Y1 is a 40 A, 2-pole B-Frame Molded Case Circuit Breaker rated 25kA at 277/408V AC and 525V AC. It features a fixed instantaneous trip, I-Line terminal connection on one end, and AB phase…

SKU 3G-OTH-722101

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 40 A Amps, 25kA at 277/408V AC, Fixed, AB
Category
B-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
BDA24040Y1
Series
BDA
Type
25kA at 277/408V AC, Fixed, AB, BDA
AC
525V
Poles
2
Max. AIR Rating
25kA at 277/408V AC
Phase Connection
AB
Instantaneous Trip
Fixed
Terminal Connection
I-Line ON End
View Full Spec Sheet

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

Product Description

The Square D BDA24040Y1 is a 40 A, 2-pole B-Frame Molded Case Circuit Breaker rated 25kA at 277/408V AC and 525V AC. It features a fixed instantaneous trip, I-Line terminal connection on one end, and AB phase connection. This unit is part of the BDA series with a fixed, AB, BDA configuration.

Frequently Asked Questions

What is the Square D BDA24040Y1 molded case circuit breaker used for?

The Square D BDA24040Y1 is a 40 A, 2-pole B-Frame molded case circuit breaker used for overcurrent protection in industrial and commercial power distribution systems. It is rated 25kA at 277/408V AC and 525V AC, with a fixed instantaneous trip and I-Line terminal connection for panelboard mounting.

What are the specifications of the Square D BDA24040Y1?

The Square D BDA24040Y1 is a 40 A, 2-pole BDA series breaker with a max AIR rating of 25kA at 277/408V AC and 525V AC. It has a fixed instantaneous trip, AB phase connection, and I-Line terminal connection on one end. The manufacturer part number is BDA24040Y1.

Where to buy the Square D BDA24040Y1 circuit breaker worldwide?

3G Electric supplies the Square D BDA24040Y1 molded case circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this BDA series breaker.

How to select the correct Square D BDA series breaker for your panel?

To select the correct Square D BDA series breaker, verify your system voltage (up to 525V AC), required amp rating (40 A for this model), pole count (2), and terminal type (I-Line). Ensure the interrupting rating (25kA at 277/408V AC) meets your fault current. Consult a licensed electrician for proper coordination.

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 b-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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