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Square D QO1101021 - Molded Case 10A 120/240V Circuit Breaker

Square D
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Square D QO1101021 is a molded case circuit breaker from the QO Series, designed for overcurrent protection in residential and commercial electrical systems. This single-pole, 10A breaker operates at 120/240V with a 10kA interrupting capacity at 240V, utilizing thermal magnetic protection with long-time and instantaneous trip functions. The unit measures 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm), weighs 0.66 lb, and features a plug-in connection with pressure plate terminals accepting 14 AWG (Cu) to 8 AWG (Al/Cu) wire. It is UL Listed and CSA Certified, compliant with industry standards for use in QO Load Centers and NQ Panelboards. This shunt trip breaker is suitable for 1-phase applications requiring reliable branch circuit protection in industrial control panels and distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QO Series, Thermal Magnetic Protection
  • Voltage Rating: 120/240V
  • Current Rating: 10A
  • Dimensions: 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.66 lb
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection in QO Load Centers and NQ Panelboards
  • Poles: 1
  • Phase: 1
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Terminal Connection: Pressure plate
  • Wire Size: Min. 14 AWG (Cu), 12 AWG (Al); Max. 8 AWG
  • Frame Size: 100A/QO
  • Breaker Type: Shunt Trip
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901940791
  • GTIN: 00785901940791