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SQUARE D Molded Case Circuit Breaker: 100 A Amps, 25kA at 277/408V AC, Fixed, ABC - B-Frame Square D Molded Case Circuit Breakers
SQUARE DB-Frame Square D Molded Case Circuit Breakers

SQUARE D Molded Case Circuit Breaker: 100 A Amps, 25kA at 277/408V AC, Fixed, ABC

The Square D BDA34100Y is a 3-pole B-Frame Molded Case Circuit Breaker rated for 100 A at 277/480V AC, with a maximum AIR rating of 25kA at 277/408V AC. It features a fixed instantaneous trip, ABC phase connection…

SKU 3G-OTH-722019

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 100 A Amps, 25kA at 277/408V AC, Fixed, ABC
Category
B-Frame Square D Molded Case Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
BDA34100Y
Series
BDA
Type
25kA at 277/408V AC, Fixed, ABC, BDA
AC
277/480V
Poles
3
Max. AIR Rating
25kA at 277/408V AC
Phase Connection
ABC
Instantaneous Trip
Fixed
Terminal Connection
Al Mechanical Lug OFF End
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D BDA34100Y is a 3-pole B-Frame Molded Case Circuit Breaker rated for 100 A at 277/480V AC, with a maximum AIR rating of 25kA at 277/408V AC. It features a fixed instantaneous trip, ABC phase connection, and aluminum mechanical lug terminal connection on the load end. This unit is part of the BDA series and is designed for fixed mounting in industrial power distribution applications.

Frequently Asked Questions

What is the Square D BDA34100Y molded case circuit breaker used for?

The Square D BDA34100Y is a 3-pole B-Frame molded case circuit breaker rated for 100 A at 277/480V AC. It protects industrial power distribution circuits from overloads and short circuits, with a fixed instantaneous trip and ABC phase connection for reliable branch-circuit protection.

What are the specifications of the Square D BDA34100Y?

The Square D BDA34100Y is a 3-pole B-Frame breaker rated 100 A at 277/480V AC, with a maximum AIR rating of 25kA at 277/408V AC. It features a fixed instantaneous trip, ABC phase connection, and aluminum mechanical lug terminal connection on the load end.

Where to buy the Square D BDA34100Y worldwide?

3G Electric supplies the Square D BDA34100Y worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this BDA-series breaker to your facility. Contact us for availability and lead time on your order.

How to install the Square D BDA34100Y circuit breaker?

Install the Square D BDA34100Y in a fixed-mount panelboard or switchboard rated for 277/480V AC. Ensure the breaker is off, torque aluminum mechanical lugs to manufacturer specs, and verify ABC phase alignment. Follow NEC guidelines and consult a qualified electrician for safe installation.

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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