Engineered for commercial and industrial applications, the Square D BDA140151 is a 1-pole, 15A molded case circuit breaker from the PowerPacT B-Frame family. It delivers dependable thermal-magnetic protection for power distribution systems. This breaker mounts into Square D I-Line panelboards and switchboards. It features a factory-configured A-phase connection and serves as a direct replacement for legacy FA14015A breakers. Rated at 18 kAIC at 480Y/277V, it includes an 80% continuous rating.
What phase connection does the BDA140151 circuit breaker use?
The "1" at the end of the BDA140151 catalog number indicates it is configured for an A-phase connection on Square D I-Line panelboards and switchboards.
How is the BDA140151 installed in a panel?
This breaker features an I-Line style plug-on jaw for the line side connection and a mechanical lug on the load side. The load lug accepts 14 to 2/0 AWG aluminum or copper wire.
What does the "D" in the BDA140151 part number represent?
The "D" indicates the interrupting rating level for this PowerPacT B-frame breaker. It provides an 18 kA interrupting rating at 480Y/277VAC and 25 kA at 120/240VAC.
Is the BDA140151 rated for 100% continuous current?
No, this breaker has a standard 80% continuous current rating. Continuous loads should not exceed 12 amps, which is 80% of its 15-amp rating.
Is the trip unit on the BDA140151 adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. It has a fixed hold current of 400A and a fixed trip current of 600A.
Can the PowerPacT B-frame replace older Square D legacy breakers?
Yes, PowerPacT B-frame breakers like the BDA140151 are the modern replacements for legacy Square D F-frame (FA, FAL, and FH) 1-pole I-Line circuit breakers.
Does the BDA140151 have a push-to-trip feature?
Yes, all PowerPacT B-frame circuit breakers include an integral push-to-trip button on the cover. This allows you to manually trip the breaker to verify the mechanical operation of the trip mechanism.
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