FA24080AB SQUARE D 2P 80A 277V AB PH I LINE

MCCB · 80A · 2-Pole · 277V · Plug-In

The FA24080AB from Square D is a reliable 2-pole circuit breaker designed for 80A at 277V, ideal for various applications including commercial and industrial settings. Featuring advanced technology for optimal performance, this breaker ensures enhanced protection for your electrical system. Trust in quality and safety with the Square D product line.

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SKU SQDFA24080AB Categories , ,
Specifications
BrandSquare D
TypeMolded-Case (MCCB)
Amperage80 A
Poles2-Pole
Voltage277V
Interrupting Rating18 kA
MountingPlug-In
Frame / SeriesFA
Catalogue #SQDFA24080AB
Panel & Switchboard Compatibility

The Square D FA24080AB is a 2-pole, 80A, 277V, 18kA moulded-case circuit breaker (MCCB) in Square D's FA frame with a plug-in mounting. FA-frame breakers are designed for use in Square D NF, I-Line, and compatible FA-frame panelboards and switchboards — they are not intended for residential loadcentres such as QO or Homeline panels. The 277V rating makes this breaker well-suited for single-phase loads on 480Y/277V commercial and industrial distribution systems (e.g., lighting panels).

Send us your panelboard model and we'll confirm fitment before you order.

The FA24080AB is an FA-frame plug-in MCCB suited for Square D FA-frame panelboards and switchboards designed to accept plug-in MCCBs — commonly used in commercial and industrial distribution. It is not compatible with residential loadcentres like Square D QO or Homeline panels. Share your panelboard model with us and we'll confirm compatibility.

The 277V rating means this breaker is designed for use on 480Y/277V distribution systems — the most common voltage for commercial lighting and HVAC branch circuits in Canada. It is not rated for 120/240V residential use. If your panel operates at 480Y/277V and you need a 2-pole, 80A branch breaker with 18kA interrupting capacity, the FA24080AB is an appropriate candidate.

Square D FA-frame MCCBs have in many applications been superseded by newer frame families. Northern Breaker Group specialises in obsolete and hard-to-find breakers, and we maintain stock of legacy Square D FA-frame units. Contact our Calgary, Edmonton, or Vancouver counters — or request a quote online — and we'll advise on availability, condition, and any direct replacement options.

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