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Square D BGA24050Y1 - Molded Case 50A 2-Pole Breaker

Square D
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Square D BGA24050Y1 is a 2-pole molded case circuit breaker from the PowerPacT B family, engineered for overload and short circuit protection in electrical distribution and industrial control panels. It delivers a 50A continuous current rating at 480Y/277VAC with a 35kA interrupt rating, and supports wire sizes from AWG 14 to AWG 2/0 in aluminum or copper. The unit measures 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) and weighs 2.899 lb, featuring an I-Line and Clip-On mounting style with a thermal-magnetic trip mechanism. It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, and NEMA AB1 standards, with certifications including UL, IEC, CCC, EAC, CSA, and NOM. This breaker is suited for commercial and industrial applications requiring reliable protection in panelboards and control panels.

Key Features & Specifications
  • Type: PowerPacT B
  • Current Rating: 50A
  • Poles: 2
  • Voltage Rating: 480Y/277VAC
  • Interrupt Rating: 35kAIC at 480/277VAC, 100kAIC at 240VAC
  • Protection: Thermal Magnetic
  • Mounting: I-Line, Clip-On
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Dimensions: 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Weight: 2.899 lb
  • Standards: NMX J-266, UL 489, GB 14048.2, EN/IEC 60947-5-1, NEMA AB1, EN/IEC 60947-2, CSA C22.2 No 5
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Phase: 1
  • Compatible Frames: Electrical Distribution Equipment, Industrial Control Panels


Part Number: BGA24050Y1