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Square D QO2701021 - Shunt Trip Circuit Breaker (70A, 2-Pole)

Square D
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Square D QO2701021 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in commercial and industrial electrical systems. It features a 70A current rating and a 120/240V AC voltage rating, housed within a compact 100A frame with dimensions of 79 mm H x 57 mm W x 74 mm D (3.1 in x 2.2 in x 2.9 in) and a weight of 1 lb. This two-pole, plug-in shunt trip breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is constructed for an operating temperature range of -25 to 70 °C (-13 to 158 °F), and complies with UL and CSA standards. It is engineered for installation in QO load centers and NQ panelboards, accepting copper or aluminum conductors from 8 AWG to 2 AWG and providing an interrupting capacity of 10kA at 240V AC.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic Protection, Shunt Trip
  • Voltage Rating: 120/240V AC
  • Current Rating: 70A
  • Frame Size: 100A/QO
  • Poles: 2
  • AIC Rating: 10kA @ 240V AC
  • Connection: Plug-In, Lug Terminal
  • Wire Size: 8 AWG to 2 AWG (Copper/Aluminum)
  • Dimensions: 79 mm H x 57 mm W x 74 mm D (3.1 in x 2.2 in x 2.9 in)
  • Weight: 1 lb
  • Phase: 1
  • Standards: UL Listed, CSA Certified
  • Panel Type: QO Load Centers, NQ Panelboards
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Functions: Long Time and Instantaneous Trip


Product Identification
  • UPC: 785901494034
  • GTIN: 00785901494041