Engineered for commercial and industrial applications, the Square D BJA260702 is a 2-pole, 70A molded case circuit breaker from the PowerPacT B-Frame family. It provides reliable overcurrent protection for heavy-duty electrical distribution systems. This I-Line breaker mounts into Square D panelboards and switchboards. It features an AC phase connection and serves as a drop-in replacement for legacy FH26070AC breakers. Rated for 65kAIC at 480V, it utilizes thermal-magnetic trip technology.
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, Current Limiting, Non-Interchangeable Trip, Reverse Feed, 80% Rated
Product FAQs
6 answers
Which panelboards are compatible with the BJA260702 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection that mounts directly to the bus stack.
Does this breaker require separate mounting hardware for installation?
No, the I-Line plug-on design allows the line side of the breaker to connect directly to the panelboard bus assembly without additional mounting brackets or hardware.
What type of wire can be used with the load lugs on this breaker?
The factory-installed lugs accept either aluminum or copper conductors ranging from 14 AWG to 2/0 AWG.
Can the BJA260702 be used in direct current (DC) systems?
Yes, this thermal-magnetic breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 50kA at that voltage.
Are the trip settings adjustable on this PowerPacT B-frame breaker?
No, this specific model features a fixed thermal and fixed magnetic trip unit. Neither the long-time nor the instantaneous trip functions can be adjusted in the field.
What does the catalog number BJA260702 indicate about the breaker family?
It indicates the breaker belongs to the Square D PowerPacT B-frame family. The letter J specifies its interrupting rating tier, which delivers 65kA at 480VAC.
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Reviews
Review summary
Customers rate this product 4.3 out of 5 based on 3 reviews.