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Square D BDA34090Y - 90A 3-Pole Molded Case Circuit Breaker

Square D
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Square D BDA34090Y is a 3-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in electrical distribution equipment and industrial control panels. It is rated for 90A at 480VAC with a 3-phase ABC phase connection, providing thermal magnetic protection through long time and instantaneous trip functions. The breaker measures 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) and weighs 4.25 lb, featuring an I-Line style plug-in connection with aluminum mechanical lugs on the OFF end and I-Line connection on the ON end, accommodating wire sizes from AWG 14 to AWG 2/0 aluminum or copper. It complies with multiple standards including UL 489, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-2, and GB 14048.2, with certifications from UL, IEC, CCC, EAC, CSA, and NOM. This circuit breaker is suitable for industrial and commercial power distribution applications requiring reliable overcurrent protection in a compact, plug-in format.

Key Features & Specifications
  • Type: BDA
  • Current Rating: 90A
  • Voltage Rating: 480V
  • Poles: 3
  • Phase: 3
  • Phase Connection: ABC
  • Frame Size: 125A/BD
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • AIC Rating: 18kA@480V
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Terminal Connection: Al Mechanical Lug OFF End, I-Line ON End
  • Dimensions: 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Weight: 4.25 lb
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Standards: EN/IEC 60947-5-1, GB 14048.2, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-2, NMX J-266, UL 489
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Breaker Type: Standard
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901013112
  • GTIN: 03606481152466