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Square D QJA221752 - Molded Case 175A 240V 2-Pole

Square D
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The Square D QJA221752 is a molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It is rated for 240V AC, 175A, and 100kA interrupting capacity at 240V, providing robust fault current interruption for single-phase applications. This 2-pole unit features a compact I-Line style plug-in connection, measures 6.47 in x 3 in x 3.93 in (164.34 mm x 76.2 mm x 99.82 mm), and weighs 4.663 lb, with a thermal-magnetic trip mechanism offering long time and instantaneous protection functions. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, certified for safe operation in ambient temperatures from -13°F to 158°F (-25°C to 70°C). Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers within commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line Family
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 100kA@240V
  • Connection: I-Line Style Plug-In
  • Functions: Long Time and Instantaneous Trip
  • Protection: Thermal Magnetic
  • Dimensions: 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) (H x W x D)
  • Weight: 4.663 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Certification: UL, CSA, NOM
  • Country of Origin: Mexico
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not specified
  • GTIN: Not specified