BDA140903 SQUARE D 1P 90A 480V B PH I LINE
Introducing the BDA140903 Square D 1P 90A 480V B PH I Line circuit breaker, designed for reliable protection and efficient performance in your electrical systems. With a single pole configuration, this 90-amp breaker ensures safe operation for your high-voltage applications. Trust Square D for durability and dependability in every installation.
The BDA140903 is a BDA-frame plug-in MCCB rated for 480V commercial and industrial applications. It is designed for Square D panelboards and switchboards that accept BDA-series plug-in breakers, such as certain I-Line and NF-series enclosures. It is not a residential loadcentre breaker. Share your panelboard model with our team and we'll confirm the fit.
The BDA140903 carries an 18kA symmetrical interrupting rating at 480V. Whether this meets your system's available fault current (AFC) depends on your upstream supply and panel configuration. If your AFC exceeds 18kA, a higher-rated frame may be required. Our specialists can help you assess your system — contact us for guidance.
The Square D BDA-frame series can be difficult to source as availability varies by vintage and configuration. Northern Breaker Group specializes in obsolete and hard-to-find breakers across Canada, with counters in Calgary, Edmonton, and Vancouver. Contact us for a quote and we'll advise on new, reconditioned, or equivalent replacement options.
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