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Square D QOB21101021 - 110A 2-Pole Bolt-On Breaker (120/240VAC)

Square D
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Square D QOB21101021 is a 2-pole, 110A bolt-on molded case circuit breaker from the QOB Series, designed to provide thermal-magnetic protection for branch circuits. It operates at 120/240VAC with a 10kA interrupting capacity at 120V, featuring LI (Long-Time and Instantaneous) trip functions for reliable overcurrent protection. This compact unit measures 3.5 in x 2.2 in x 2.9 in (89 mm x 57 mm x 74 mm) and weighs 1.02 lb, with a pressure plate terminal connection for secure wiring. Manufactured by Schneider Electric in the United States, it is UL Listed and CSA certified for compliance with industry standards. The breaker is suitable for single-phase industrial and commercial applications requiring dependable circuit isolation and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QOB Series, Bolt-On
  • Voltage Rating: 120/240VAC
  • Current Rating: 110A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA@120V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Dimensions: 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.02 lb
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Country of Origin: United States
  • Manufacturer: Schneider Electric
  • Family: QOB Series
  • Type: QOB
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 3606486144565
  • GTIN: 03606486144565