Square D HLL36080 - 80 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D HLL36080 is an 80 A, 600 V, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Designed to deliver secure overcurrent and short-circuit protection, it helps keep electrical systems safer and more reliable across a range of applications.

Why this breaker stands out

• Compact molded case design optimizes panel space, making it easier to fit into densely populated enclosures without sacrificing performance.
• Thermal-magnetic trip unit provides stable, repeatable protection by reacting appropriately to both gradual overloads and sudden faults, reducing nuisance trips.
• 3-pole configuration ideal for 3-phase circuits, delivering balanced protection across all phases.
• OEM compatibility designed to work with matching Square D loadcenters and panelboards, helping ensure a clean, reliable fit and straightforward installation.
• Versatile for multiple sectors suitable for residential, commercial, and light industrial electrical systems, making it a flexible choice for mixed-use environments.

Technical specifics at a glance

• Manufacturer: Square D
• Part Number: HLL36080
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical benefits

• Residential service panels and subpanels requiring reliable protection for multiple branch circuits.
• Commercial distribution panels where quick, predictable tripping behavior minimizes downtime during faults.
• Light industrial feeders that demand robust protection without sacrificing space in control panels.
• Retrofits or replacements in compatible OEM loadcenters where a trusted Square D solution ensures electrical compatibility and performance.

Installation and performance insights

Choosing the HLL36080 means selecting a trusted Square D component that aligns with your existing panel infrastructure. Its compact form factor helps with panel layout, while the thermal-magnetic trip mechanism reduces the risk of nuisance trips from brief surges and provides dependable protection during short-circuit events. For best results, pair this breaker with matching OEM loadcenters and panelboards to ensure seamless electrical integration and consistent protection across all circuits.