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Square D QBA221254 - Molded Case Circuit Breaker 125A 240V 2-Pole

Square D
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Square D QBA221254 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 125A current rating and a 240V AC voltage rating, with a compact physical footprint of 164.34 mm H x 76.2 mm W x 99.82 mm D and a weight of 4.751 lb. The breaker is constructed for robust performance, meeting UL, CSA, NEMA, and NOM standards, and is typically applied in panelboards and switchboards requiring dependable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection, I-Line Style Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 6.47 in (164.34 mm) H x 3 in (76.2 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial and Commercial Panelboards/Switchboards
  • Poles: 2
  • Phase: 1
  • Phase Connection: BC
  • AIC Rating: 10kA @ 240V
  • Frame Size: Q
  • Functions: LI - Long-Time and Instantaneous Trip
  • Terminal Connection: I-Line, Lug
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Certification: UL, CSA, NOM
  • Protection: Thermal Magnetic
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901405153
  • GTIN: 00785901405153