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Square D QO120VH - 20A 1-Pole Circuit Breaker (22kA AIC)

Square D
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The Square D QO120VH is a single-pole, plug-in molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for 120/240VAC branch circuits. It features a 20A current rating and a high 22kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous response. The compact unit measures 76 mm x 19 mm x 74 mm (HxWxD) and is constructed for operation within a temperature range of -25 to 70 °C, featuring a pressure plate terminal connection compatible with 14-8 AWG copper or 12-8 AWG aluminum wire. It is CSA Certified and UL Listed for compliance with industry safety standards, making it suitable for installation in QO load centers and NQ panelboards across residential and light commercial applications.

Key Features & Specifications
  • Type: Single-pole, plug-in, thermal-magnetic molded case circuit breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D
  • Standards: CSA Certified, UL Listed
  • Applications: Branch circuit protection in QO Load Centers and NQ Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC rating: 22kA @ 240V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Frame Size: 100A/QO
  • Trip Type: Thermal-Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: High Interrupting Capacity
  • MCM Size: Min. 12 AWG (Al), 14 AWG (Cu); Max. 8 AWG
  • Wire Size: AWG 14 to 8, Cu/Al
  • Certification: UL Listed
  • Terminal Connection: Pressure plate
  • Standards: CSA Certified, UL Listed
  • Compatible Frames: QO Series
  • Country of Origin: United States
  • Weight: 0.538 lb


Product Identification
  • UPC: 785901371786
  • GTIN: 00785901371786