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Square D QOB1151021 - Molded Case Breaker 15A 120/240VAC

Square D
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Square D QOB1151021 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 15A current rating and a 120/240VAC voltage rating, housed within a compact 76mm x 38mm x 74mm (HxWxD) bolt-on unit weighing 0.66 lb. This shunt trip breaker utilizes a thermal-magnetic mechanism for both long-time and instantaneous trip functions, ensuring compliance with CSA and UL standards. It is engineered for installation in Square D NQOD panelboards, offering a 10kA interrupting capacity at 120V and reliable operation across a temperature range of -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case, Shunt Trip, Thermal-Magnetic Protection
  • 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, UL Listed
  • Applications: Commercial & Industrial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Trip Type: Thermal-Magnetic
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: Shunt Trip
  • Wire Size: AWG 14 to AWG 8, Copper/Aluminum
  • Certification: UL Listed
  • Terminal Connection: Pressure Plate
  • Family: QOB Series
  • Weight: 0.66 lb


Product Identification
  • UPC: 785901494188
  • GTIN: 00785901494188