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Square D QOB2125VH - 125A Molded Case Breaker (22kA AIC, 2-Pole)

Square D
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The Square D QOB2125VH is a two-pole, bolt-on molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for 120/240VAC single-phase electrical systems. It features a 125A current rating and a 22kA interrupting capacity at 240V, utilizing a thermal-magnetic trip unit for both long-time delay and instantaneous protection functions. The breaker is constructed with a compact 100A frame, measures 89 mm H x 38 mm W x 74 mm D, and features pressure plate terminals compatible with copper or aluminum conductors from 8 AWG to 300 kcmil. It is UL Listed and CSA certified for safety and is engineered for installation in Square D NQOD panelboards within an operating temperature range of -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 120/240VAC
  • Current Rating: 125A
  • Frame Size: 100A/QO
  • Poles: 2
  • AIC Rating: 22kA @ 240V
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 8 AWG to 2 AWG (MCM), 4 AWG to 300 kcmil (Copper or Aluminum)
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Protection: Thermal Magnetic
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: High Interrupting Capacity
  • Standards: UL Listed, CSA
  • Certification: UL Listed
  • Dimensions: 3.5 in (89 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 0.7 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901120650
  • GTIN: 00785901120650