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Square D QGA221751 - Molded Case Circuit Breaker 175A 240V 2-Pole

Square D
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Square D QGA221751 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 175A 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 4.663 lb. The breaker utilizes a thermal magnetic protection mechanism with long-time and instantaneous trip functions, ensuring compliance with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards. Its I-Line style plug-in connection and 65kA interrupting capacity at 240V make it suitable for protecting feeders and branch circuits in panelboards and switchboards, operating effectively in temperatures from -25 to 70 °C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Long Time and Instantaneous Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • 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)
  • Weight: 4.663 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial and Commercial Feeder/Branch Circuit Protection in Panelboards and Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: I-Line Style Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 65kA @ 240V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Q Frame
  • Wire Size: AWG 4 to 300 KCMil
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 078590146217
  • GTIN: 00785901462170