Engineered for commercial and industrial use, the Square D FH26015AC is a 2-pole, 15A molded case circuit breaker. It features an AC phase connection and provides reliable long-time and instantaneous (LI) trip functions. This F-Frame breaker installs into Square D I-Line panelboards and switchboards. As a legacy component, it is replaced by the HGA260152 model. Rated for 65kAIC at 240VAC and 25kAIC at 480VAC, it is HACR rated and meets UL 489 standards for demanding environments.
What does the "AC" suffix mean in the FH26015AC catalog number?
The "AC" suffix indicates the factory-configured phase connection. This specific breaker is designed to connect to the A and C phases of the bus in a Square D I-Line panelboard or switchboard.
Which panelboards are compatible with the Square D FH26015AC?
This legacy F-Frame breaker is designed exclusively for use in Square D I-Line panelboards and I-Line switchboards. It features a proprietary plug-on jaw connection on the line side that mounts directly to the I-Line bus.
What is the direct replacement for the obsolete Square D FH26015AC?
The legacy F-Frame series has been discontinued and is directly replaced by the PowerPact H-Frame series, specifically catalog number HGA260152. The "2" suffix on the H-Frame model indicates the matching AC phase connection for I-Line panelboards.
Are the trip settings on the FH26015AC adjustable?
No, this F-Frame breaker features a non-interchangeable, fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip functions are factory-set and cannot be adjusted in the field.
How does the FH26015AC mount into a panelboard?
It utilizes a proprietary I-Line plug-on jaw connection on the line side that snaps directly onto the panelboard bus. The load side features standard mechanical lugs for wire termination.
Is the Square D FH26015AC suitable for HVAC applications?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment that requires HACR-type circuit protection.
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Review summary
Customers rate this product 5.0 out of 5 based on 10 reviews.