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Square D QOB120VH - 20A 1-Pole Bolt-On Breaker (22kA AIC)

Square D
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The Square D QOB120VH is a single-pole, bolt-on molded case circuit breaker designed to provide reliable overcurrent protection for 120/240VAC branch circuits. It features a 20A current rating and a high interrupting capacity of 22kA at 120V, utilizing a thermal-magnetic trip mechanism for both long-time and instantaneous protection. The compact unit measures 76 mm H x 19 mm W x 74 mm D, employs a pressure plate terminal connection for wires from AWG 14 to 8, and is constructed for operation in temperatures from -25°C to 70°C. Certified to UL and CSA standards, this breaker is engineered for compatibility with Square D NQOD panelboards in commercial and light industrial electrical distribution systems.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Bolt-On, High Interrupting Capacity
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • Poles: 1
  • AIC Rating: 22kA @ 120V
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 14 to AWG 8 (Copper/Aluminum)
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Protection: Thermal Magnetic
  • Panel Type: Square D NQOD Panelboards
  • Dimensions: 3.0 in (76 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D
  • Weight: 0.3 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: United States


Product Identification
  • UPC: 785901371731
  • GTIN: 00785901371731