BDA140901 SQUARE D 1P 90A 480V A PH I LINE
The BDA140901 SQUARE D 1P 90A 480V A PH I LINE is a reliable circuit breaker designed for superior performance in electrical systems. With its 90A capacity, it efficiently safeguards your equipment against overloads and short circuits. Ideal for commercial applications, this breaker ensures safety and longevity for your power infrastructure.
| Brand | Square D |
|---|---|
| Type | Standard (Thermal-Magnetic) |
| Amperage | 90 A |
| Poles | 1-Pole |
| Voltage | 480V |
| Interrupting Rating | 18 kA |
| Mounting | Plug-In |
| Frame / Series | BDA |
| Catalogue # | SQDBDA140901 |
The Square D BDA140901 is a 1-pole, 90A, 480V plug-in molded-case circuit breaker from the BDA (I-Line) frame series. As an I-Line plug-in breaker, it is designed to mount in Square D I-Line panelboards and switchboards — commercial and industrial distribution equipment — rather than residential loadcentres. It is not interchangeable with QO or Homeline residential panels.
Compatibility depends on your specific I-Line panelboard bus rating, interior configuration, and available space. Send us your panelboard model and we'll confirm fitment.
The BDA140901 uses Square D's I-Line plug-in mounting system, which is designed for Square D I-Line panelboards and switchboards used in commercial and industrial applications. It is not compatible with residential QO or Homeline loadcentres. Contact us with your panelboard model number and we'll confirm the fit.
The Square D BDA I-Line frame series has seen limited production over the years, and certain configurations can be difficult to source through standard channels. Northern Breaker Group specializes in hard-to-find and obsolete breakers — reach out via phone or our quote form and we'll check current availability for the BDA140901.
The BDA140901 is rated for 480V AC and is suitable for use at that voltage or below within its listed ratings (1P, 90A, 18kA interrupting capacity). While it can generally be applied on lower-voltage systems, always verify with your engineer or authority having jurisdiction (AHJ) that the breaker's ratings meet your specific installation requirements per the Canadian Electrical Code.
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