FA12080B SQUARE D 1P 80B 120/240V B PH I LINE
The FA12080B Square D 1P 80B circuit breaker is designed for 120/240V applications and offers reliable protection for your electrical system. With its robust design and high-quality construction, this breaker ensures optimal performance and safety. Ideal for residential and commercial use, it effectively safeguards your circuits from overloads and faults.
The FA12080B is a Square D FA-frame molded-case breaker designed for commercial and industrial Square D panelboards that accept FA-frame plug-in breakers. It is not compatible with Square D QO or Homeline residential loadcentres. Contact our team with your panel model number and we'll confirm compatibility.
The Square D FA-frame series has been largely superseded by newer MCCB lines, making certain ratings like the FA12080B difficult to source through standard channels. Northern Breaker Group specializes in obsolete and hard-to-find breakers — we maintain stock of legacy Square D FA-frame breakers. Reach out for a quote and availability check.
Yes. The FA12080B is rated 120/240V, making it suitable for single-phase 240V commercial circuits as a 1-pole breaker. With a 10kA interrupt rating, it provides adequate fault protection for most commercial panel applications — always verify that the available fault current at the installation point does not exceed 10kA.
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