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Square D QO2501021 - Molded Case Circuit Breaker 50A 2-Pole

Square D
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Square D QO2501021 is a 50 Amp 2-Pole molded case circuit breaker from the QO Series, designed to provide thermal magnetic overload and short-circuit protection for electrical branch circuits. This breaker operates at 120/240 VAC with a 10kA interrupting rating and features a shunt trip function for remote disconnection. It measures 3.1 in (79 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) and weighs 0.94 lb, with a plug-in connection for QO load centers and NQ panelboards. The unit is UL Listed and CSA Certified, meeting industry safety standards for residential and commercial installations. Typical applications include protecting lighting, appliance, and general-purpose circuits in single-phase electrical distribution systems.

Key Features & Specifications
  • Type: QO
  • Current Rating: 50A
  • Voltage Rating: 120/240V
  • Poles: 2
  • Phase: 1
  • Frame Size: 100A/QO
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Breaker Type: Shunt Trip
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Terminal Connection: Lug
  • Panel Type: QO Load Centers and NQ Panelboards
  • Dimensions: 3.1 in (79 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.94 lb
  • MCM Size: Min. Wire Size 8 AWG Max. Wire Size 2 AWG
  • Standards: CSA Certified, UL Listed
  • Certification: UL Listed
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901494010
  • GTIN: 00785901494010