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Square D QGA221254 - Molded Case Circuit Breaker 125A 240V 2-Pole

Square D
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Square D QGA221254 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 125A current rating and a 240V AC voltage rating, with a robust thermal-magnetic trip unit providing both long-time and instantaneous protection functions. The breaker is constructed with a compact Q-frame size, measuring 164.34 mm H x 76.2 mm W x 99.82 mm D and weighing 4.67 lb, and utilizes a plug-in, I-Line style connection with lug terminals for simplified installation. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards and is certified for use in single-phase BC configurations. This breaker is typically applied in panelboards and switchboards requiring a 65kA interrupting capacity at 240V AC for feeder and branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 164.34 mm H x 76.2 mm W x 99.82 mm D (6.47 in x 3 in x 3.93 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial & Commercial Panelboards/Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 65kA @ 240V
  • Connection: I-Line Style, Lug Terminal
  • Poles: 2
  • Protection: Thermal-Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Q
  • Certification: UL, CSA, NOM
  • Phase Connection: BC
  • Weight: 4.67 lb


Product Identification
  • UPC: 785901491316
  • GTIN: 00785901491316