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SQUARE D Molded Case Circuit Breaker: 50 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: 50 A Amps, 25kA at 277/408V AC, Fixed, ABC

The Square D BDA34050Y is a 3-pole, 50 A B-Frame Molded Case Circuit Breaker rated 525V AC with a 25kA AIR at 277/408V AC. It features a fixed instantaneous trip, ABC phase connection, and aluminum mechanical lug…

SKU 3G-OTH-722243

Brand
SQUARE D
Item
Molded Case Circuit Breaker: 50 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
BDA34050Y
Series
BDA
Type
25kA at 277/408V AC, Fixed, ABC, BDA
AC
525V
Poles
3
Max. AIR Rating
25kA at 277/408V AC
Phase Connection
ABC
Instantaneous Trip
Fixed
Terminal Connection
Al Mechanical Lug OFF End
View Full Spec Sheet

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

Product Description

The Square D BDA34050Y is a 3-pole, 50 A B-Frame Molded Case Circuit Breaker rated 525V AC with a 25kA AIR at 277/408V AC. It features a fixed instantaneous trip, ABC phase connection, and aluminum mechanical lug OFF-end terminals. 3G Electric interprets your demand for this OEM-specified breaker, sources it from our authorized supply chain, and supports your facility with accountable technical guidance across 14 industrial departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Square D BDA34050Y molded case circuit breaker used for?

The Square D BDA34050Y is a 3-pole, 50 A B-Frame molded case circuit breaker used for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards. It handles 525V AC systems with a 25kA interrupting rating at 277/408V AC, making it suitable for commercial and light industrial applications.

What are the specifications of the Square D BDA34050Y?

The Square D BDA34050Y is a 3-pole, 50 A B-Frame breaker rated 525V AC with a 25kA AIR at 277/408V AC. It has a fixed instantaneous trip, ABC phase connection, and aluminum mechanical lug OFF-end terminals. The series is BDA, and the manufacturer part number is BDA34050Y.

Where to buy the Square D BDA34050Y worldwide?

3G Electric supplies the Square D BDA34050Y worldwide. We interpret your demand, source this OEM-specified breaker from our supply chain, and handle full logistics, customs clearance, and delivery to your facility globally. Contact us for availability and lead time on this BDA series breaker.

How to select the Square D BDA34050Y for a 3-phase system?

To select the Square D BDA34050Y, verify your system voltage is 525V AC or less and your available fault current does not exceed 25kA at 277/408V AC. Ensure the breaker's ABC phase connection matches your bus configuration and that aluminum mechanical lug terminals are compatible with your wiring. Consult a licensed engineer for coordination studies.

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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Molded Case Circuit Breaker: 50 A Amps, 25kA at 277/408V AC, Fixed, Everlink Lug Both Ends, 2 Poles (MPN BDL26050LU). Key specifications — Terminal Connection: Everlink Lug Both Ends; Phase Connection: Non-Applicable; Max. AIR Rating: 25kA at 277/408V AC; Instantaneous Trip: Fixed; Series: BDL.
Molded Case Circuit Breaker: 100 A Amps, 25kA at 277/408V AC, Fixed, Everlink Lug Both Ends, ABC (MPN BDL36100). Key specifications — Terminal Connection: Everlink Lug Both Ends; Phase Connection: ABC; Max. AIR Rating: 25kA at 277/408V AC; Instantaneous Trip: Fixed; Series: BDL.
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Molded Case Circuit Breaker: 70 A Amps, 25kA at 277/408V AC, Fixed, AB, 2 Poles, 525V AC, BDA (MPN BDA260701). Key specifications — Terminal Connection: I-Line ON End; Phase Connection: AB; Max. AIR Rating: 25kA at 277/408V AC; Instantaneous Trip: Fixed; Series: BDA.
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Molded Case Circuit Breaker: 45 A Amps, 100kA at 240V AC, Fixed, ABC, 3 Poles, 525V AC, BGA (MPN BGA34045Y). Key specifications — Terminal Connection: I-Line ON End; Phase Connection: ABC; Max. AIR Rating: 100kA at 240V AC; Instantaneous Trip: Fixed; Series: BGA.
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