Square D HJA260804 - 80 A, 2-Pole Plug-In Circuit Breaker | AmpState

Square D HJA260804 is a reliable, plug-in molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With an 80-amp rating and a 2-pole design, this unit is built to safeguard demanding electrical circuits while simplifying installation and maintenance.

Why this breaker stands out

• Fast plug-in connection for quick installation and straightforward replacement, reducing downtime during panel upgrades or servicing.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying electrical conditions, helping prevent nuisance trips and ensuring consistent circuit safety.
• OEM compatibility designed to pair with matching Square D OEM load centers and panelboards, ensuring integrated protection and reliable performance within your system.
• Versatile applications suitable for residential, commercial, and light industrial environments where robust, space-efficient protection is required.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: HJA260804
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

For electrical panels in homes, small-to-mid sized commercial spaces, and light industrial facilities, this 80A, 2-pole unit fits standard panelboards that require reliable, high-current protection. It’s particularly well-suited for main feeders, subfeed circuits, and branch circuits that demand swift upgrades or replacements without complex wiring changes.

Installation and compatibility guidance

Use with matching Square D OEM load centers and panelboards to maintain optimized protection performance and system integrity. The plug-in design simplifies retrofits and field replacements, making it a practical choice for ongoing maintenance, panel upgrades, or new installations where OEM compatibility matters most.

What problems this solves

• Reduces downtime during fuse-to-breaker replacements or panel servicing with a quick, plug-in connection.
• Provides predictable protection with a thermal-magnetic trip, minimizing nuisance trips while safeguarding assets.
• Ensures seamless integration in OEM-specific panelboards, avoiding compatibility gaps that can complicate installations.

Whether you’re upgrading a residential panel, outfitting a commercial electrical room, or equipping light industrial loads, the Square D HJA260804 delivers dependable, code-aligned overcurrent protection with installer-friendly features and OEM-ready compatibility.