Engineered for commercial distribution, the HDA260254 brings 25A of thermal-magnetic protection to the Square D PowerPacT H-Frame family. This 2-pole model features a BC phase connection and utilizes long-time and instantaneous (LI) trip functions. It is built to install into Square D I-Line panelboards and switchboards, ensuring a secure connection. It serves as a replacement for the legacy FA26025BC. The breaker provides an 18kAIC rating at 480VAC and 14kAIC at 600VAC.
Can the HDA260254 replace an older Square D F-frame I-Line breaker?
Yes, the PowerPacT H-frame is the direct replacement for legacy Square D F-frame (FA, FH, FC) I-Line breakers. The HDA260254 occupies the same 3-inch mounting space as a 2-pole F-frame breaker and plugs directly into existing I-Line panelboards.
What do the letters "HDA" signify in the HDA260254 part number?
"H" stands for the PowerPacT H-frame family. "D" indicates the interrupting rating tier (14kAIC at 600VAC, 18kAIC at 480VAC, 25kAIC at 240VAC). "A" specifies that the breaker has an I-Line plug-in connection on the line side.
What does the "4" at the end of the HDA260254 catalog number indicate?
The "4" suffix indicates that this 2-pole breaker is factory-configured for B and C phase connections on the I-Line panelboard bus.
Which panelboards are compatible with the HDA260254 circuit breaker?
This I-Line plug-in breaker is designed exclusively for Square D I-Line panelboards and switchboards. It mounts directly to the bus assembly and does not fit standard QO, NQ, or NF load centers.
How does the HDA260254 connect to the panelboard?
It features an I-Line style plug-in connection on the line side that mounts directly to the panelboard bus, while the load side uses standard mechanical lugs for wire termination.
What wire sizes and materials are accepted by the load-side lugs on this breaker?
The standard load-side lugs accept 14 AWG to 3/0 AWG copper or aluminum wire.
Can the HDA260254 be used in DC applications?
Yes, this thermal-magnetic breaker is rated for up to 250VDC with an interrupting capacity of 20kA.
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