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Square D QOH250 - 2-Pole 50A Circuit Breaker (240V, 42kA AIC)

Square D
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Square D QOH250 is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 50A current rating and a 240V AC voltage rating, housed in a compact plug-in design measuring 3.1 in (79 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and weighing 0.75 lb. The breaker complies with industry standards, utilizing a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions to ensure protection against both overloads and short circuits with an interrupting capacity of 42kA at 240V. Its typical applications include service entrance panels, load centers, and branch circuit protection for appliances and equipment.

Key Features & Specifications
  • Type: QOH Series, Molded Case, Thermal-Magnetic Protection with LI (Long-time & Instantaneous) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Dimensions: 3.1 in (79 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Standards: Industry Standard for Circuit Protection
  • Applications: Residential & Light Commercial Load Centers, Service Entrance Panels, Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 50A
  • AIC Rating: 42kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: QO Series
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Plug-In
  • Certification: Industry Standard
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Phase Connection: Single Phase
  • Standards: Industry Standard
  • Compatible Frames: QO Series Load Centers
  • Installation Type: Plug-In
  • Breaker Frame: QO


Product Identification
  • UPC: 785901335542
  • GTIN: 00785901335542