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Square D QO290VH - 2-Pole 90A Circuit Breaker (22kA AIC)

Square D
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Square D QO290VH is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in residential and light commercial electrical systems. It features a 90A current rating and a 120/240V AC voltage rating, housed in a compact plug-in unit measuring 89 mm H x 38 mm W x 74 mm D and weighing 0.7 lb. The breaker is constructed with a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is CSA and UL Listed, and is engineered for operation in temperatures from -25°C to 70°C. Its 22kA interrupting rating at 120V and compatibility with QO load centers and NQ panelboards make it suitable for main feeder and branch circuit applications.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic, plug-in circuit breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 90A
  • Dimensions: 3.5 in H (89 mm) x 1.5 in W (38 mm) x 2.9 in D (74 mm)
  • Standards: CSA, UL Listed
  • Applications: Main and branch circuit protection in load centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC rating: 22kA @ 120V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: High Interrupting Capacity
  • Wire Size: AWG 4 to AWG 2 Aluminum/Copper
  • Certification: UL Listed
  • Terminal Connection: Lug
  • MCM Size: Min. 8 AWG, Max. 2 AWG
  • Weight: 0.7 lb


Product Identification
  • UPC: 785901060185
  • GTIN: 00785901060185