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Square D QOB3100VH - 100A 3-Pole Circuit Breaker (22kA AIC)

Square D
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Square D QOB3100VH 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, with a compact physical footprint of 3.5 in (89 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and a bolt-on connection for secure installation. This thermal-magnetic breaker is CSA and UL Listed, ensuring compliance with North American safety standards for use in commercial and industrial panelboards. It is engineered for integration into Square D NQOD panelboards, protecting circuits with wire sizes from 4 AWG to 300 MCM.

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
  • AIC Rating: 22kA @ 240V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 4 AWG to 2/0 AWG (Copper or Aluminum), 4 AWG to 300 MCM
  • Standards: CSA, UL Listed
  • Dimensions: 3.5 in H x 2.2 in W x 2.9 in D (89 mm x 57 mm x 74 mm)
  • Weight: 1.09 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: High Interrupting Capacity
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Certification: UL Listed


Product Identification
  • UPC: 785901054801
  • GTIN: 00785901054801