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Square D QOB2125SL - 125A 2-Pole Bolt-On Breaker (120/240VAC)

Square D
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Square D QOB2125SL is a 2-pole, 125A bolt-on circuit breaker from the QOB Series, designed to provide thermal-magnetic protection for branch circuits in commercial and industrial power distribution systems. It operates at 120/240VAC with a 10kA interrupting capacity at 120V and is rated for 1-phase applications, supporting wire sizes from AWG 12 to AWG 2/0 in copper or aluminum via pressure plate terminals. The breaker features LI (Long-Time and Instantaneous) trip functions, measures 3.500 in (88.900 mm) in height, 1.494 in (37.948 mm) in width, and 2.310 in (58.674 mm) in depth, weighs 0.6 lb, and includes a subfeed lug kit. It is CSA and UL Listed, making it suitable for use in panelboards requiring reliable overcurrent protection in manufacturing, processing, and facility management environments.

Key Features & Specifications
  • Type: QOB Series, bolt-on thermal-magnetic circuit breaker with subfeed lug kit
  • Voltage Rating: 120/240VAC
  • Current Rating: 125A
  • Dimensions: 3.500 in (88.900 mm) x 1.494 in (37.948 mm) x 2.310 in (58.674 mm) (Height x Width x Depth)
  • Weight: 0.6 lb
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 12 to AWG 2/0 Copper or Aluminium
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA@120V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Section: Subfeed Lug kit
  • Manufacturer: Schneider Electric
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901031352
  • GTIN: 00785901031352