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Square D QOB250SWN1021 - Molded Case Circuit Breaker 50A 2-Pole

Square D
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Square D QOB250SWN1021 is a 2-pole, 50A molded case circuit breaker from the QOB family, designed for overcurrent protection in commercial and industrial power distribution systems. It operates at 120/240VAC with a 10kA interrupting rating at 120V, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. This bolt-on breaker measures 3.1 in (79 mm) in height, 2.2 in (57 mm) in width, and 2.9 in (74 mm) in depth, weighing 1.06 lb, and features a pressure plate terminal connection. It is UL Listed and CSA certified, meeting industry standards for safety and performance. Typical applications include load centers and panelboards requiring reliable circuit protection in commercial and industrial environments.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Model: QOB250SWN1021
  • Type: QOB
  • Family: QOB Series
  • Item Subcategory: Molded Case
  • Poles: 2
  • Current Rating: 50A
  • Voltage Rating: 120/240VAC
  • Phase: 1
  • AIC Rating: 10kA@120V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Dimensions: 3.1 in (79 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.06 lb
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Country of Origin: Mexico
  • Features: Switch Neutral
  • Application: Commercial, Industrial


Part Number: QOB250SWN1021