Handling up to 50A of continuous current, the Square D BGA24050Y1 is a 2-pole molded case circuit breaker within the PowerPacT B-frame family, providing essential thermal-magnetic protection. Equipped with an AB phase connection, this unit installs into Square D I-Line panelboards. It provides a seamless upgrade path for facilities replacing older FA24050AB breakers. This MCCB offers a 35kAIC rating at 480Y/277VAC and features a double-break rotary contact structure for enhanced performance.
CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, NMX J-266, UL 489
Approval
CCC, CE, CSA, EAC, IEC, NOM, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Double-Break Rotary Contact Structure
Product FAQs
8 answers
What older Square D circuit breaker does the BGA24050Y1 replace?
The BGA24050Y1 provides a direct upgrade path for facilities replacing legacy FA24050AB circuit breakers. It installs into the same Square D I-Line panelboards and switchboards.
What type of line and load connections does the BGA24050Y1 feature?
This breaker features a shrouded I-Line plug-on jaw for the line side connection and mechanical lugs on the load side. The load lugs accept 14 to 2/0 AWG aluminum or copper wire.
What phase connection does the BGA24050Y1 use?
This 2-pole circuit breaker is configured for an AB phase connection on the I-Line bus.
Is the BGA24050Y1 rated for 100 percent continuous current?
No, this circuit breaker has a standard 80 percent continuous current rating.
What is the mechanical and electrical service life of this PowerPacT B-frame breaker?
The BGA24050Y1 is designed for a mechanical service life of 20,000 cycles and an electrical service life of 10,000 cycles at 440V.
What is the maximum operating altitude for the BGA24050Y1 without derating?
This breaker can be operated at altitudes up to 2000 meters without requiring any derating.
Does this breaker feature a push-to-trip mechanism?
Yes, all PowerPacT B-frame circuit breakers include an integral push-to-trip button on the cover to manually trip the breaker and verify the mechanical operation of the trip mechanism.
What type of contact structure does the BGA24050Y1 utilize?
It is equipped with a double-break rotary contact structure, which reduces the amount of peak current during a short circuit fault for enhanced protection.
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