BDA140401 SQUARE D 1P 40A 480V A PH I LINE
The BDA140401 SQUARE D 1P 40A 480V A PH I LINE is a reliable single-pole circuit breaker designed for optimal performance in high-voltage applications. With a current rating of 40 amps and compatibility with 480V systems, this breaker ensures enhanced safety and protection for your electrical components. Ideal for residential and commercial use.
The BDA140401 is a 480V-rated, plug-in molded-case breaker intended for commercial and industrial Square D panelboards and switchboards that accept BDA-frame plug-in breakers. It is not compatible with residential QO or Homeline loadcentres. Contact us with your panelboard model and we can confirm compatibility.
The Square D BDA frame series is a legacy line and many variants are no longer in regular production. Northern Breaker Group specializes in sourcing obsolete and hard-to-find breakers like the BDA140401 — reach out to our Calgary, Edmonton, or Vancouver counter for current stock availability or to request a quote.
No. Despite being a 1-pole breaker, the BDA140401 is rated for 480V commercial/industrial systems with an 18kA interrupt capacity. Using it in a 120/240V residential panel would be incorrect — the voltage rating, frame size, and bus connection are not suited for residential loadcentres. Always match the breaker rating to your specific system voltage and panelboard.
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