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Square D QO315 - 3-Pole Circuit Breaker 15A 240V

Square D
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Square D QO315 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 240V AC voltage rating, housed within a compact plug-in unit measuring 76 mm x 57 mm x 74 mm (HxWxD) and weighing 0.8 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is constructed to operate in temperatures from -25 to 70 °C, and complies with UL, CSA, and HACR standards for use in QO load centers and NQ panelboards.

Key Features & Specifications
  • Type: Standard, Molded Case, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • 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: UL Listed, CSA Certified, HACR
  • Applications: Commercial and Industrial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In, Pressure Plate Terminal
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Standard
  • Wire Size: AWG 14 to AWG 8 (Copper or Aluminum)
  • Certification: HACR, UL Listed


Product Identification
  • UPC: 785901400646
  • GTIN: 00785901400646