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Square D QHB220 - 2-Pole Circuit Breaker 20A 240V

Square D
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Square D QHB220 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 20A current rating and a 240V AC voltage rating, housed within a compact, durable enclosure measuring 76 mm H x 38 mm W x 74 mm D and weighing 0.55 lb. This thermal-magnetic breaker is constructed with bolt-on connections and pressure plate terminals, compliant with UL and CSA standards for safety and interoperability. Its 65kA interrupting rating at 240V and operational temperature range of -25 to 70 °C make it suitable for a variety of industrial and commercial panelboard applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 65kA @ 240V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 AWG to 8 AWG (Copper/Aluminum)
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 0.55 lb
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards/Certification: UL Listed, CSA
  • Breaker Type: Standard
  • Family: QOB Series


Product Identification
  • UPC: 785901341635
  • GTIN: 00785901341635