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Square D QO240VH - 2-Pole 40A Circuit Breaker (22kA AIC)

Square D
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Square D QO240VH 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 40A current rating and a 120/240V voltage rating, housed within a compact, plug-in design measuring 3.1 in (79 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.7 lb. This thermal-magnetic breaker is CSA and UL Listed, ensuring compliance with industry safety standards for use in QO load centers and NQ panelboards, making it suitable for protecting feeder and branch circuits.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic protection with long-time and instantaneous (LI) trip functions
  • Voltage Rating: 120/240V AC
  • Current Rating: 40A
  • Dimensions: 3.1 in H x 1.5 in W x 2.9 in D (79 mm x 38 mm x 74 mm)
  • Standards: CSA, UL Listed
  • Applications: Residential and light commercial feeder/branch circuit protection in QO load centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • Amperage: 40A
  • AIC rating: 22kA @ 120V
  • Connection: Plug-In, Lug terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: High Interrupting Capacity
  • MCM Size: Accepts wire sizes from 8 AWG to 2 AWG
  • Wire Size: 8 AWG to 2 AWG, Copper/Aluminum
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Lug
  • Standards: CSA, UL Listed
  • Compatible Frames: QO Series
  • Manufacturer: Schneider Electric
  • Family: QO Series
  • Country of Origin: Mexico
  • Weight: 0.7 lb


Product Identification
  • UPC: 785901054955
  • GTIN: 00785901054955