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Square D QOB350VH - Molded Case Breaker 50A 3P (22kA AIC)

Square D
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Square D QOB350VH is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 50A current rating and a 120/240VAC voltage rating, housed within a compact, bolt-on unit measuring 79 mm H x 57 mm W x 74 mm D and weighing 1.1 lb. The breaker is constructed with a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is CSA and UL Listed, and operates effectively within a temperature range of -25°C to 70°C. Its 22kA interrupting capacity at 240V and compatibility with Square D NQOD panelboards make it suitable for commercial and light industrial power distribution applications.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, High Interrupting Capacity, Bolt-On Connection
  • Voltage Rating: 120/240VAC
  • Current Rating: 50A
  • Frame Size: 100A/QO
  • Poles: 3
  • AIC Rating: 22kA @ 240V
  • Phase: 3
  • Functions: Long Time and Instantaneous Trip
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 8 to AWG 2, Copper or Aluminum; MCM Size: 4 AWG to 300 MCM
  • Dimensions: 3.1 in (79 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 1.1 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Panel Type: Square D NQOD Panelboards
  • Standards & Certification: CSA, UL Listed
  • Protection: Thermal Magnetic
  • Manufacturer: Schneider Electric
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901054825
  • GTIN: 00785901054825