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Square D QGA221252 - Molded Case Circuit Breaker 125A 2-Pole

Square D
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Square D QGA221252 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, housed within a compact Q-frame measuring 164.34 mm H x 76.2 mm W x 99.82 mm D and weighing 4.799 lb. The breaker is constructed for robust performance with a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection, and it complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards. Its I-Line style plug-in connection and lug terminals facilitate integration into panelboards for applications such as feeder and branch circuit protection in single-phase AC systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • 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 Feeder/Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 65kA at 240V
  • Connection: I-Line Style, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: Q
  • Wire Size: 4 AWG to 300 kcmil (Aluminum/Copper)
  • Certification: UL, CSA, NOM
  • Phase Connection: AC
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901631989
  • GTIN: 00785901631989