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Square D QOH2110 - Molded Case 110A 2-Pole Breaker

Square D
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The Square D QOH2110 is a 2-pole molded case circuit breaker from the QO Series, designed to provide thermal-magnetic overload and short-circuit protection for electrical systems. It is rated for 110A at 120/240 VAC with a high interrupting capacity of 42kA at 240V, ensuring robust fault clearing in single-phase applications. This plug-in breaker measures 3.5 in x 2.2 in x 2.9 in (H x W x D) and weighs 0.75 lb, featuring a compact construction that accepts copper or aluminum wire from AWG 4 to AWG 2/0. It is UL Listed and CSA certified, with an operating temperature range of -13°F to 158°F (-25°C to 70°C), and is suitable for industrial applications requiring reliable long-time and instantaneous trip functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QOH Series
  • Voltage Rating: 120/240 VAC
  • Current Rating: 110A
  • Poles: 2
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 42kA@240V
  • Wire Size: AWG 4 to AWG 2/0, Copper or Aluminum
  • Phase: 1
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Dimensions: 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (H x W x D)
  • Weight: 0.75 lb
  • Functions: Long-Time and Instantaneous Trip
  • Certification: UL Listed; CSA
  • Family: QO Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901321811
  • GTIN: 00785901321811