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Square D QO380 - 3-Pole Circuit Breaker (80A, 240V)

Square D
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Square D QO380 is a three-pole molded case circuit breaker designed to provide reliable overcurrent protection for three-phase electrical systems. It features an 80A current rating and a 240V AC voltage rating, housed within a compact 100A frame measuring 89 mm x 57 mm x 74 mm (H x W x D) and weighing 1.069 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is CSA certified and UL listed, and is rated for an interrupting capacity of 10kA at 240V. Its plug-in connection and compatibility with QO load centers and NQ panelboards make it suitable for a range of commercial and light industrial applications.

Key Features & Specifications
  • Type: Three-pole, plug-in, thermal-magnetic molded case circuit breaker
  • Voltage Rating: 240V AC
  • Current Rating: 80A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 240V
  • Poles: 3
  • Phase: 3
  • Connection: Plug-In
  • Terminal Connection: Lug
  • Wire Size: AWG 4 to AWG 2/0 (Copper or Aluminum)
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Breaker Type: Standard
  • Panel Type: QO Load Centers and NQ Panelboards
  • Standards: CSA Certified, HACR, UL Listed
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Dimensions: 89 mm x 57 mm x 74 mm (3.5 in x 2.2 in x 2.9 in) (H x W x D)
  • Weight: 1.069 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901004394
  • GTIN: 00785901004394