QO380 - 80 Amp Circuit Breaker

QO380 - 80 Amp Circuit Breaker

When you need dependable circuit protection for higher-capacity electrical systems, the QO380 Plug-On Circuit Breaker is built to get the job done. Featuring an 80-amp rating, three-pole configuration, and 10kA interrupting capacity at 240VAC, this Type QO circuit breaker is designed to help protect electrical circuits from overloads and short circuits before they can damage valuable equipment or wiring.

Whether you're replacing an existing breaker or completing a new installation, the QO380 offers the convenience of a plug-on design, making installation into compatible Type QO load centers and panelboards quick and straightforward. Its thermal-magnetic trip mechanism responds to both sustained overloads and sudden fault currents, helping keep your electrical system operating safely and reliably.

Because electrical systems demand dependable components, choosing the correct breaker is just as important as selecting the right amperage. The QO380 delivers the protection expected for a wide range of commercial, industrial, and residential applications, making it a practical solution for electricians, maintenance professionals, contractors, and facility managers alike.

Key Features and Benefits

• 80 Amp Current Rating: 80 Amp current rating for higher-capacity branch circuits.
• Three-Pole Configuration: Three-pole configuration for compatible three-phase electrical systems.
• 10kA Interrupting Capacity: 10kA interrupting capacity at 240VAC helps safely interrupt available fault current.
• Plug-On Design: Plug-on design allows for fast, secure installation in compatible equipment.
• Thermal-Magnetic Trip Mechanism: The thermal-magnetic trip mechanism protects against overloads and short circuits.
• Compatible Equipment: Designed for use in compatible Type QO load centers and panelboards.
• Versatile Installation: Ideal for both replacement projects and new electrical installations.

Technical Specifications

• Part Number: QO380
• Type: QO
• Style: Plug-On Circuit Breaker
• Poles: 3
• Amperage: 80A
• Voltage Rating: 240VAC
• Interrupting Rating: 10kA
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Installation Compatibility: Designed for installation in compatible Type QO electrical distribution equipment.
• Installation Notice: Always verify compatibility with your electrical panel and follow all applicable national and local electrical codes during installation.

Where It Works Best

• The QO380 80 Amp 3 Pole Circuit Breaker is a great choice for protecting electrical circuits in commercial buildings, industrial facilities, residential properties, workshops, and light industrial environments. It's commonly used for three-phase branch circuits serving HVAC equipment, motors, machinery, distribution panels, and other applications that require a 3-pole, 80A, 240VAC circuit breaker. Whether you're performing routine maintenance, replacing a worn breaker, or upgrading an electrical system, the QO380 provides dependable protection you can count on.