BDA140453 SQUARE D 1P 45A 480V B PH I LINE
The BDA140453 SQUARE D 1P 45A 480V B PH I LINE is a reliable and efficient circuit breaker designed for high-demand electrical applications. With a 45-amp rating and 480V capacity, it ensures optimal performance and protection for your electrical systems. Ideal for commercial and industrial use, it meets safety standards and enhances system reliability.
The BDA140453 is a commercial/industrial plug-in breaker designed for Square D panelboards and switchboards that accept BDA-frame breakers at 480V. It is not designed for residential QO or Homeline loadcentres. Because compatibility depends on your specific panelboard's bus and frame rating, we recommend sending us your panelboard model number so we can confirm fit.
The Square D BDA-series can be difficult to source through standard distribution channels, and certain configurations may be discontinued or limited in availability. Northern Breaker Group specialises in obsolete and hard-to-find breakers, so contact us with your requirement and we'll advise on current stock or a suitable replacement option.
The BDA140453 is rated for 480V, which means it can also be applied on lower-voltage systems (e.g., 120/208V or 277/480V) as the voltage rating is a maximum, not a fixed requirement. However, always verify that the breaker's interrupt rating (18kA) meets or exceeds the available fault current at the point of installation for your specific system. Consult a licensed electrician or your local authority having jurisdiction (AHJ) if you are unsure.
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