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SQUARE D Molded Case Circuit Breaker: 45 A Amps, 100kA at 120/240V AC, Fixed, A - B-Frame Square D Molded Case Circuit Breakers
SQUARE DB-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 45 A Amps, 100kA at 120/240V AC, Fixed, A

The Square D BJA160451 is a B-Frame Molded Case Circuit Breaker rated for 45 A with 1 pole and 240V AC. It features a fixed instantaneous trip, a maximum AIR rating of 100kA at 120/240V AC, and an I-Line ON End…

SKU 3G-OTH-722306

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 45 A Amps, 100kA at 120/240V AC, Fixed, A
Category
B-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
BJA160451
Series
BJA
Type
100kA at 120/240V AC, Fixed, A, BJA
AC
240V
Poles
1
Max. AIR Rating
100kA at 120/240V AC
Phase Connection
A
Instantaneous Trip
Fixed
Terminal Connection
I-Line ON End
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D BJA160451 is a B-Frame Molded Case Circuit Breaker rated for 45 A with 1 pole and 240V AC. It features a fixed instantaneous trip, a maximum AIR rating of 100kA at 120/240V AC, and an I-Line ON End terminal connection. This unit is part of the BJA series and is designed for phase connection A.

Frequently Asked Questions

What is the Square D BJA160451 molded case circuit breaker used for?

The Square D BJA160451 is a B-Frame molded case circuit breaker used for overcurrent protection in industrial and commercial electrical distribution panels. It is rated 45 A, 240V AC, with a 100kA interrupting rating at 120/240V AC, making it suitable for high-fault applications.

What are the specifications of the Square D BJA160451?

The Square D BJA160451 is a 1-pole, 45 A molded case circuit breaker with 240V AC rating. It has a fixed instantaneous trip, a maximum AIR rating of 100kA at 120/240V AC, and an I-Line ON End terminal connection. It is part of the BJA series and uses phase connection A.

Where to buy the Square D BJA160451 worldwide?

3G Electric supplies the Square D BJA160451 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 B-Frame molded case circuit breaker.

How to select the correct Square D BJA series circuit breaker?

To select the correct Square D BJA series circuit breaker, verify the required amperage (e.g., 45 A), number of poles (1), voltage (240V AC), and interrupting rating (100kA at 120/240V AC). Ensure the terminal connection type (I-Line ON End) matches your panel. 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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