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Square D BGA34045Y - Molded Case Circuit Breaker 45A 3-Pole 480V

Square D
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Square D BGA34045Y is a 3-pole molded case circuit breaker from the PowerPact B-Frame family, designed for thermal magnetic overcurrent protection in electrical distribution and industrial control panels. It is rated for 45 amps at 480Y/277V AC with an interrupting capacity of 18kA at 480V, and features a standard thermal magnetic trip unit providing long time and instantaneous trip functions. The breaker measures 5.4 inches in height, 3.2 inches in width, and 3.5 inches in depth, weighs 3.79 lb, and uses an I-Line style plug-in connection with aluminum mechanical lugs on the load end and I-Line connection on the line end, accommodating wire sizes from 14 AWG to 2/0 AWG aluminum or copper. It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, NEMA AB1, and other international standards, with certifications including UL, IEC, CCC, EAC, CSA, and NOM. This circuit breaker is suitable for use in three-phase power distribution systems within electrical distribution equipment and industrial control panels, operating within a temperature range of -13°F to 158°F (-25°C to 70°C).

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: BGA
  • Frame Size: 125A/BG
  • Breaker Type: Standard
  • Poles: 3
  • Phase: 3
  • Phase Connection: ABC
  • Current Rating: 45A
  • Voltage Rating: 480V
  • AIC rating: 18kA@480V
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Connection: I-Line Style Plug-In
  • Terminal Connection: Al Mechanical Lug OFF End, I-Line ON End
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • MCM Size: Min. Wire Size 14 AWG Max. Wire Size 2 AWG
  • Dimensions: 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Weight: 3.79 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Standards: CSA C22.2 No 5, NMX J-266, EN/IEC 60947-2, NEMA AB1, GB 14048.2, UL 489, EN/IEC 60947-5-1
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901069331
  • GTIN: 00785901069331