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Square D QOB310 - 3-Pole Circuit Breaker 10A, 120/240VAC

Square D
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Square D QOB310 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 10A current rating and a voltage rating of 120/240VAC, housed within a compact, bolt-on unit measuring 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and weighing 0.75 lb. The breaker is CSA and UL Listed, complying with industry standards for safety and performance, and is constructed for operation in temperatures from -25°C to 70°C. Its thermal-magnetic protection with long-time and instantaneous trip functions makes it suitable for installation in Square D NQOD panelboards for commercial and light industrial applications.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal-Magnetic Protection with Long Time and Instantaneous Trip
  • Voltage Rating: 120/240VAC
  • Current Rating: 10A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 240V
  • Poles: 3
  • Phase: 3-Phase
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 AWG to 8 AWG (Copper/Aluminum)
  • Dimensions: 3.0 in H x 2.2 in W x 2.9 in D (76 mm x 57 mm x 74 mm)
  • Weight: 0.75 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: CSA, UL Listed
  • Panel Type: Square D NQOD Panelboards
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901518693
  • GTIN: 00785901518693