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Square D QOB380 - 3-Pole Circuit Breaker (80A, 10kA AIC)

Square D
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Square D QOB380 is a three-pole molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features an 80A current rating and a voltage rating of 120/240VAC, housed within a compact, bolt-on frame measuring 89 mm H x 57 mm W x 74 mm D. This thermal-magnetic breaker, compliant with CSA and UL standards, is engineered for operation in temperatures from -25°C to 70°C and is typically installed in Square D NQOD panelboards for commercial and light industrial applications.

Key Features & Specifications
  • Type: Three-pole, bolt-on, thermal-magnetic molded case circuit breaker
  • Voltage Rating: 120/240VAC
  • Current Rating: 80A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 240V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 4 to AWG 2/0, Copper or Aluminum
  • MCM Size: Min. 8 AWG, Max. 2 AWG
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Breaker Type: Standard
  • Panel Type: Square D NQOD Panelboards
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Temp Rating: -25°C to 70°C
  • Dimensions: 3.5 in (89 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 1.08 lb
  • Country of Origin: Mexico
  • Family: QOB Series


Product Identification
  • UPC: 785901019732
  • GTIN: 00785901019732