Square D HDA36080 - 80 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D HDA36080 is an 80A, 600V, 3-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for speed and reliability, this unit features a fast plug-in connection that simplifies installation and quick replacements, reducing downtime during service or upgrades.

Key advantages that improve performance and uptime

• Fast plug-in connection enables rapid installation and effortless field replacement, minimizing panel downtime.
• Thermal-magnetic trip unit offers stable, repeatable protection against overloads and short circuits, maintaining consistent interrupting performance over time.
• 3-pole design suits 3-phase systems up to 600V, ideal for commercial and light industrial applications where balanced protection is essential.
• 80A rating provides robust protection for medium-to-heavy branch circuits without sacrificing serviceability or panel space.
• OEM-loadcenters compatibility ensures reliable operation within matched Square D panels and related assemblies, reducing precision-fit concerns during upgrades or retrofits.
• Plug-in mounting supports straightforward installation and simple future servicing in dense panel layouts.

Where and how this breaker shines

Designed for residential, commercial, and light industrial environments, the HDA36080 protects feeders and branch circuits in panelboards and loadcenters where space is at a premium and downtime is costly. It’s especially valuable during panel upgrades, equipment refurbishments, or new builds that require dependable 3-phase protection up to 600V.

Specifications at a glance

• Manufacturer: Square D
• Part Number: HDA36080
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80A
Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical tips for optimal use

• Verify the target panelboard or loadcenter is designed for plug-in 3-pole breakers of this rating to ensure proper engagement and protection performance.
• When upgrading panels, keep a spare HDA36080 on hand to minimize downtime during replacements or servicing.
• Label circuits clearly in the panel to maximize the benefits of the quick-install plug-in design and simplify future maintenance.

Trust the Square D HDA36080 to deliver predictable protection, streamlined service, and compatibility with standard OEM loadcenters. This is a focused choice for professionals seeking reliable, easy-to-install protection for mid-range, three-phase electrical systems. Add it to your panel upgrade project to safeguard critical circuits with confidence.