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Square D QOB31001042 - 100A 3-Pole Molded Case Breaker

Square D
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The Square D QOB31001042 is a three-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial electrical systems. It is rated for 100A at 120/240VAC with a 10kA interrupting capacity at 240V, utilizing a thermal magnetic trip mechanism for LI (Long-Time and Instantaneous) protection. This bolt-on breaker measures 3.5 in (89 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) and weighs 1.36 lb, featuring pressure plate terminals for secure connections. It is UL Listed and CSA certified, making it suitable for panelboard installations requiring reliable branch circuit protection in three-phase applications.

Key Features & Specifications
  • Type: QOB Molded Case Circuit Breaker
  • Voltage Rating: 120/240VAC
  • Current Rating: 100A
  • Dimensions: 3.5 in (89 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: CSA, UL Listed
  • Applications: Commercial and industrial panelboards
  • Switch Type: Thermal Magnetic
  • Configuration: Three-Pole
  • Phase: 3
  • Amperage: 100A
  • AIC rating: 10kA@240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Overcurrent Protection
  • Frame Size: QOB
  • Trip Type: Thermal Magnetic
  • Breaker Type: Molded Case
  • Terminal Connection: Pressure Plate
  • Circuit Breaker Mounting Style: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Certification: UL Listed
  • Installation Type: Panelboard
  • Breaker Frame: QOB
  • Current Rating: 100A
  • Weight: 1.36 lb
  • Country of Origin: Mexico
  • Family: QOB Series
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 078590116876
  • GTIN: 00785901168768