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Square D QOB320VH - 3-Pole Circuit Breaker 20A 120/240VAC

Square D
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Square D QOB320VH is a three-pole molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 20A current rating and a voltage rating of 120/240VAC, with a compact bolt-on design measuring 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and a weight of 0.82 lb. The breaker is constructed with a thermal-magnetic trip unit for combined long-time and instantaneous protection, is UL Listed and CSA certified, and is typically applied in Square D NQOD panelboards for commercial and light industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, High Interrupting Capacity
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Standards: UL Listed, CSA
  • Applications: Square D NQOD Panelboards, Commercial & Light Industrial
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: High Interrupting Capacity
  • Wire Size: AWG 14 to AWG 8, Copper or Aluminum
  • Certification: UL Listed
  • Terminal Connection: Pressure Plate
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901371960
  • GTIN: 00785901371960