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Square D QOB315 - 3-Pole Circuit Breaker 15A 120/240VAC

Square D
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Square D QOB315 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 15A current rating and a 120/240VAC voltage rating, housed within a compact 76mm x 57mm x 74mm (HxWxD) bolt-on unit weighing 0.85 lb. This thermal-magnetic breaker, compliant with CSA and UL standards, offers 10kA interrupting capacity and is rated for operation from -25°C to 70°C. It is engineered for installation in Square D NQOD panelboards, accepting copper or aluminum conductors from #14 to #8 AWG via its pressure plate terminals.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic Protection, Standard Breaker
  • Voltage Rating: 120/240VAC
  • Current Rating: 15A
  • Dimensions: 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Standards: CSA, UL Listed
  • Applications: Three-phase circuit protection in NQOD panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: Standard
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 8 AWG
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 14 to AWG 8, Copper or Aluminum
  • Certification: UL Listed
  • Weight: 0.85 lb


Product Identification
  • UPC: 785901417064
  • GTIN: 00785901417064