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QGA221255

Square D
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Square D QGA221255 is a molded case circuit breaker from the I-Line family, designed for overcurrent protection in power distribution systems. This 2-pole, 125A unit operates at 240V AC with a high interrupting capacity of 65kA at 240V, utilizing a thermal magnetic trip mechanism for LI (Long-Time and Instantaneous) protection. The breaker measures 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) and weighs 4.67 lb, featuring an I-Line style plug-in connection for single-phase applications. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, with certifications from UL, CSA, and NOM. This Q Frame breaker is suitable for industrial and commercial power distribution panels requiring reliable circuit interruption.

Key Features & Specifications
  • Type: QGA
  • Current Rating: 125A
  • Voltage Rating: 240V AC
  • Poles: 2
  • Interrupt Rating: 65kA at 240V
  • Frame Size: Q Frame
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: Single Phase
  • Dimensions: 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) (Height x Width x Depth)
  • Weight: 4.67 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Certification: UL, CSA, NOM
  • Temp Rating: -13–158 °F (-25–70 °C)


Square D QGA221255 - Molded Case Circuit Breaker 125A 2-Pole 240V