QOB380 - 80A Circuit Breaker

QOB380 - 80A Circuit Breaker

The QOB380 is a 3-pole, 80-amp bolt-on circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial, industrial, and OEM electrical distribution systems. As a Type QOB breaker, it features a secure bolt-on mounting design that helps you to maintain a reliable electrical connection in panelboards where vibration resistance and long-term stability are important. Rated 10kA at 240VAC, the QOB380 is well-suited for protecting three-phase branch circuits, feeders, and equipment operating within its specified voltage and interrupting capacity. Its compact footprint also makes it an excellent choice for installations where panel space is at a premium while still delivering the performance expected in demanding electrical applications.

Key Features and Benefits

• 80 Amp Current Rating: 80 Amp continuous current rating for protecting higher-capacity branch circuits and electrical equipment.
• Three-Pole Configuration: Three-pole configuration designed for three-phase electrical systems.
• Bolt-On Mounting: Bolt-on mounting provides a secure, stable installation that helps reduce the chance of loose connections over time.
• 10kA Interrupting Capacity: 10kA interrupting capacity at 240VAC offers dependable protection against fault currents within its rated specifications.
• Compact Design: Compact design allows efficient use of available panelboard space.
• Type QOB Compatibility: Type QOB circuit breaker engineered for compatibility with panels designed to accept QOB bolt-on breakers.
• Equipment Protection: Helps protect conductors and connected equipment from damage caused by overloads and short circuits when properly installed.
  

Technical Specifications

• Part Number: QOB380
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage: 80 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 240VAC
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: The QOB380 is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards for its product class.
• Installation Guidance: It should be installed in compatible equipment and in accordance with the National Electrical Code (NEC), local electrical codes, and manufacturer recommendations. Always verify compatibility with your panelboard and application before installation.
  

Where It Works Best

• The QOB380 is an excellent choice for protecting electrical circuits in commercial buildings, industrial facilities, manufacturing environments, office buildings, retail locations, and OEM equipment. Its bolt-on construction makes it especially suitable for panelboards where a secure, permanent connection is preferred. At the same time, the 3-pole, 80-amp configuration is ideal for safeguarding three-phase motors, HVAC equipment, distribution feeders, machinery, and other higher-demand electrical loads operating within its rated specifications.