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Square D QOB250EPD2100 - 50A 2-Pole Thermal Magnetic Breaker

Square D
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The Square D QOB250EPD2100 is a molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for single-phase electrical circuits. It features a 50A current rating and a 120/240VAC voltage rating, with a 10kA interrupting capacity at 120V for robust fault protection. The unit is constructed with a compact bolt-on design measuring 105 mm H x 57 mm W x 74 mm D and utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection functions. This breaker is compliant with CSA and UL standards, ensuring adherence to key North American safety requirements. It is typically applied in industrial and commercial panelboards for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 50A
  • Dimensions: 4.1 in (105 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Standards: CSA, UL Listed
  • Applications: Industrial & Commercial Panelboards, Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: QOB Series
  • Trip Type: Thermal-Magnetic
  • Terminal Connection: Pressure Plate
  • Certification: UL Listed
  • Weight: 1.21 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 3606486144947
  • GTIN: 03606486144947