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Square D QOB290VH - Molded Case Circuit Breaker 90A 2-Pole

Square D
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Square D QOB290VH is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 90A current rating and a voltage rating of 120/240VAC, housed within a compact, bolt-on design measuring 3.5 in (89 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.728 lb. The breaker is constructed with thermal-magnetic protection for both long-time and instantaneous trip functions and complies with CSA and UL standards. It is typically applied in Square D NQOD panelboards for safeguarding feeder and branch circuits.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic Protection, High Interrupting Capacity
  • Voltage Rating: 120/240VAC
  • Current Rating: 90A
  • Dimensions: 3.5 in (89 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Standards: CSA, UL Listed
  • Applications: Industrial and Commercial Panelboards (NQOD)
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: High Interrupting Capacity
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 4 to AWG 2/0, Copper/Aluminum
  • Certification: UL Listed
  • MCM Size: Min. 8 AWG, Max. 2 AWG
  • Weight: 0.728 lb


Product Identification
  • UPC: 785901120674
  • GTIN: 00785901120674