Square D PJL36080 - 800 A, 3-Pole Circuit Breaker | AmpState

Square D PJL36080 is a rugged 800 A, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for demanding environments, this unit pairs a compact design with precise protection, making it a trusted choice for both new installs and upgrades in residential, commercial, and light industrial settings.

• Efficient panel planning — the compact molded case design helps maximize panel space, making it easier to fit high-capacity protection in tight electrical enclosures without sacrificing performance.
• Stable, repeatable protection — a thermal-magnetic trip unit provides reliable response to both overloads and short circuits, ensuring consistent protection across varying current conditions and loads.
• Designed for OEM compatibility — specifically engineered to be compatible with matching Square D OEM load centers and panelboards, reducing install guesswork and ensuring a tidy, reliable fit.
• Versatile for diverse applications — ideal for residential, commercial, and light industrial environments where robust protection for large, three-phase circuits is required.

Technical snapshot

• Manufacturer: Square D
• Part Number: PJL36080
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 800 A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Why professionals choose the PJL36080

When panel space, protection reliability, and compatibility matter, the PJL36080 stands out. Its 3-pole design is purpose-built for three-phase circuits, delivering strong protection for heavy loads and equipment in service panels, main distribution panels, and feeder applications. The combination of a compact form factor and a thermal-magnetic trip mechanism translates to fewer space constraints, easier wiring, and predictable protection behavior, even as electrical environments evolve.

Use cases and practical considerations

• Commercial panels with high-current three-phase feeders demand durable, space-efficient protection; the PJL36080 is suited for these roles in service and distribution panels.
• In residential- or light-commercial installations where large motor loads or HVAC equipment share a panel, this 800 A breaker provides the required interrupting capacity with dependable trip performance.
• When upgrading an existing installation, choose the PJL36080 to ensure OEM panel compatibility and maintain consistent protection characteristics across the system.

Installation and service notes: Verify that your panelboard is approved for 800 A, 3-pole protection and that wiring and bus connections align with the PJL36080’s specifications. As with all high-current breakers, engage a qualified electrical professional to perform installation, testing, and commissioning to ensure safe, compliant operation.