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Square D QO3401042 - Molded Case 40A 3-Pole Breaker

Square D
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The Square D QO3401042 is a three-pole molded case circuit breaker from the QO Series, designed to provide overcurrent protection for electrical systems. It operates at a voltage rating of 240V and a current rating of 40A, utilizing a thermal magnetic protection mechanism with LI (Long-Time and Instantaneous) functions. This plug-in breaker measures 3.0 in x 3.0 in x 2.9 in (76 mm x 76 mm x 74 mm) and weighs 1.21 lb, featuring a compact construction suitable for panelboard installation. It complies with industry standards for safety and performance, with an AIC rating of 10kA@240V. Typical applications include industrial and commercial power distribution systems requiring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QO Series, Thermal Magnetic
  • Voltage Rating: 240V
  • Current Rating: 40A
  • Dimensions: 3.0 in (76 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.21 lb
  • Poles: 3
  • Phase: 3
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 10kA@240V
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: QO Series


Product Identification
  • UPC: Not specified
  • GTIN: Not specified