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Square D QBA32070 - Molded Case Circuit Breaker, 70A 3P (240V 10kA I-Line)

Square D
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Square D QBA32070 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 70A current rating and a 240V AC 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 6.691 lb. The breaker is constructed for I-Line style plug-in connection and provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions, achieving a 10kA interrupting capacity at 240V. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards and is rated for operation in ambient temperatures from -25°C to 70°C, making it suitable for panelboards and switchboards in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • 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, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Phase: 3
  • AIC rating: 10kA@240V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901402497
  • GTIN: 00785901402497