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Square D QJA32175 - Molded Case Circuit Breaker 175A 3P (100kA AIC)

Square D
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Square D QJA32175 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 175A current rating and a 240V voltage rating, housed within a compact Q Frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 3.02 lb. This thermal magnetic breaker offers LI (Long-time and Instantaneous) protection functions, is rated for 100kA interrupting capacity at 240V, and operates across a temperature range of -25 to 70 °C. It complies with UL, CSA, NEMA, and NOM standards, and its I-Line style plug-in connection facilitates installation in compatible panelboards for commercial and industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial Power Distribution, Panelboard Protection
  • Phase: 3
  • AIC Rating: 100kA @ 240V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901603498
  • GTIN: 00785901603498