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Square D QBA221752 - Molded Case Circuit Breaker 175A 240V 2-Pole

Square D
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Square D QBA221752 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 4.72 lb. The breaker is constructed with thermal-magnetic protection for both long-time and instantaneous trip (LI) functions, ensuring compliance with UL, CSA, NEMA, and NOM standards. Its I-Line style plug-in connection with lug terminals and a 10kA interrupting rating at 240V AC makes it suitable for panelboards and switchboards in single-phase applications, operating reliably in temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • 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: 4.72 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial and Commercial Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V AC
  • Connection: I-Line Style, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: Q
  • Phase Connection: AC
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901672531
  • GTIN: 00785901672531