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Square D QBL32175 - Molded Case Circuit Breaker 175A 3P (240V AC)

Square D
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Square D QBL32175 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial electrical systems. It features a 175A current rating and a 240V AC voltage rating, housed within a compact, durable frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 4.76 lb. The breaker is constructed for compliance with UL, CSA, NEMA, and NOM standards and operates effectively across a wide temperature range from -25°C to 70°C. Its thermal-magnetic trip unit with long-time and instantaneous (LI) functions makes it suitable for protecting feeders and branch circuits in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection with LI (Long-time and Instantaneous) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Frame Size: 250A/QB
  • Poles: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On, Line/Load Lug Terminal
  • Phase Connection: ABC
  • MCM/Wire Size: Minimum 4 AWG, Maximum 300 MCM
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Weight: 4.76 lb
  • Operating Temperature: -13 to 158 °F (-25 to 70 °C)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901672494
  • GTIN: 00785901672494