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Square D QO1151021 - Shunt Trip Breaker 15A 1-Pole (10kA AIC)

Square D
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Square D QO1151021 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in residential and light commercial electrical systems. It features a 15A current rating and a 120/240V AC voltage rating, housed within a compact plug-in design measuring 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.65 lb. This thermal-magnetic shunt trip breaker is CSA Certified and UL Listed, ensuring compliance with North American safety standards for use in QO load centers and NQ panelboards.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic protection with long-time and instantaneous trip functions
  • Voltage Rating: 120/240V AC
  • Current Rating: 15A
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Standards: CSA Certified, UL Listed
  • Applications: Residential and light commercial panel protection
  • Breaker Type: Shunt Trip
  • Configuration: Plug-in
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • Amperage: 15A
  • AIC rating: 10kA @ 240V
  • Connection: Plug-in
  • Poles: 1
  • 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
  • Terminal Connection: Pressure plate
  • Wire Size: AWG 14 to AWG 8, Copper/Aluminum
  • Certification: UL Listed
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 8 AWG
  • Mounting: Plug-in


Product Identification
  • UPC: 785901493808
  • GTIN: 00785901493808