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Square D QO110 - 10A Single-Pole Circuit Breaker (10kA AIC)

Square D
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Square D QO110 is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 10A current rating and a 120/240V AC voltage rating, housed within a compact, single-pole plug-in frame measuring 76 mm H x 19 mm W x 74 mm D and weighing 0.26 lb. This thermal-magnetic breaker utilizes a long-time and instantaneous (LI) trip function with a 10kA interrupting capacity at 240V and is constructed for compatibility with QO load centers and NQ panelboards. It is certified to UL and CSA standards, ensuring compliance with North American safety requirements for circuit protection in branch lighting and appliance circuits.

Key Features & Specifications
  • Type: Standard, thermal-magnetic molded case circuit breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 10A
  • Dimensions: 76 mm H x 19 mm W x 74 mm D (3.0 in x 0.7 in x 2.9 in)
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection in residential/light commercial panels
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: 40°C (104°F) maximum ambient
  • Phase: 1
  • AIC rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Standard
  • MCM Size: 14 AWG to 8 AWG
  • Terminal Connection: Pressure plate
  • Wire Size: 14 to 8 AWG (Aluminum/Copper); (2) 14 to 10 AWG (Copper)
  • Certification: UL Listed
  • Family: QO Series
  • Item Subcategory: Molded Case
  • Country of Origin: Mexico
  • Weight: 0.26 lb


Product Identification
  • UPC: 785901205593
  • GTIN: 00785901205593