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Square D QOB3100 - 100A 3-Pole Circuit Breaker (10kA AIC, Bolt-On)

Square D
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Square D QOB3100 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 100A current rating and a 120/240VAC voltage rating, housed within a compact, bolt-on frame measuring 3.5 in (89 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and weighing 1.06 lb. This thermal-magnetic breaker is CSA and UL listed, ensuring compliance with industry safety standards for use in Square D NQOD panelboards within commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 120/240VAC
  • Current Rating: 100A
  • Frame Size: 100A/QO
  • Poles: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 4 to AWG 2/0, Copper or Aluminum (MCM: Min 8 AWG, Max 2 AWG)
  • Phase: 3
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: Standard
  • Dimensions: 3.5 in (89 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 1.06 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: CSA, UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 78590101971
  • GTIN: 00785901019718