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Square D QOB250-1021 - Molded Case 50A 2-Pole

Square D
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Square D QOB250-1021 Circuit Breaker - Molded Case 2-Pole 50A 120/240VAC Bolt-On The Square D QOB250-1021 is a 2-pole molded case circuit breaker from the QOB Series, designed for overcurrent protection in electrical distribution systems. It is rated for 50 amps at 120/240VAC with a 10kA interrupting capacity at 120V, ensuring reliable fault interruption in single-phase applications. This bolt-on breaker features a pressure plate terminal connection and weighs 7 lb, constructed for secure installation in compatible load centers and panelboards. It is UL Listed and CSA certified, meeting stringent industry standards for safety and performance. Typical applications include industrial and commercial power distribution, lighting panels, and motor control centers requiring dependable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, QOB Series, Bolt-On
  • Voltage Rating: 120/240VAC
  • Current Rating: 50A
  • Poles: 2
  • AIC Rating: 10kA@120V
  • Phase: 1
  • Terminal Connection: Pressure Plate
  • Weight: 7 lb
  • Standards: UL Listed, CSA
  • Installation Type: Bolt-On
  • Family: QOB Series
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 078590149434
  • GTIN: 00785901494348