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Square D QOB250VH - 2-Pole 50A Circuit Breaker (22kA AIC)

Square D
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Square D QOB250VH is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 50A current rating and a voltage rating of 120/240VAC, housed within a compact, bolt-on design measuring 79 mm H x 38 mm W x 74 mm D and weighing 0.7 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is CSA and UL Listed, and is engineered for a high interrupting capacity of 22kA at 240V. Its typical applications include integration into Square D NQOD panelboards for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection (LI Trip)
  • Voltage Rating: 120/240VAC
  • Current Rating: 50A
  • Frame Size: 100A/QO
  • AIC Rating: 22kA @ 240V
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 8 AWG to 2 AWG (Copper or Aluminum)
  • Dimensions: 3.1 in H (79 mm) x 1.5 in W (38 mm) x 2.9 in D (74 mm)
  • Weight: 0.7 lb
  • Standards: CSA, UL Listed
  • Panel Type: Square D NQOD Panelboards
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)


Product Identification
  • UPC: 785901054771
  • GTIN: 00785901054771