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Square D QOB2100 - 100A 2-Pole Circuit Breaker (10kA AIC)

Square D
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Square D QOB2100 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 100A current rating and a 120/240VAC voltage rating, with a compact bolt-on design measuring 89 mm H x 38 mm W x 74 mm D and a weight of 0.72 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, is constructed for use with 2 AWG to 8 AWG wire using pressure plate terminals, and complies with UL and CSA standards for integration into Square D NQOD panelboards.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal-Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 100A
  • Frame Size: 100A/QO
  • Poles: 2
  • Connection: Bolt-On
  • AIC Rating: 10kA @ 120V
  • Phase: 1
  • Functions: LI (Long-Time and Instantaneous)
  • Protection: Thermal Magnetic
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: Standard
  • Terminal Connection: Pressure Plate
  • Wire Size: 2 AWG to 8 AWG (Aluminum/Copper)
  • MCM Size: Min. 8 AWG, Max. 2 AWG
  • Temp Rating: 40°C (104°F) Maximum Operating
  • Dimensions: 3.5 in H x 1.5 in W x 2.9 in D (89 mm x 38 mm x 74 mm)
  • Weight: 0.72 lb
  • Standards: UL Listed, CSA
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901019688
  • GTIN: 00785901019688