Eaton HLD3500C - 500 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HLD3500C, a rugged 3-pole molded case circuit breaker engineered for dependable protection in panelboards and loadcenters. With a 500A rating at 600V, this device is designed to safeguard large branch circuits in demanding residential, commercial, and light industrial environments while preserving valuable panel space through its compact molded case design.

Why the HLD3500C stands out

• High-current, compact design: A 500A capacity paired with a compact molded case reduces footprint in crowded panels without compromising protection.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by responding to both overloads and short-circuit events, helping prevent unnecessary trips and equipment damage.
• OEM compatibility: Specifically designed to be compatible with matching Eaton OEM loadcenters and panelboards, ensuring straightforward retrofits and reliable operation.
• Versatile installation: Suitable for a wide range of applications, from home electrical upgrades to commercial and light industrial panel installations.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HLD3500C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 500A
• Voltage: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Consider the HLD3500C when you need robust protection for high-load panels or main feeders in:

• Residential multi‑bong or subpanels feeding high‑draw appliances and electrical systems
• Commercial spaces with three‑phase equipment and extensive motor loads
• Light industrial applications requiring reliable protection for critical circuits

How it benefits your electrical system

By combining a high current rating with a compact footprint and a precise thermal-magnetic trip, the HLD3500C helps:

• Prevent nuisance trips on normal startup surges while still delivering fast disconnection during faults
• Maximize panel real estate, making space for future expansions or additional breakers
• Maintain compatibility with Eaton’s panelboard ecosystem, simplifying installation and service

Practical considerations and tips

• Ensure your panelboard or loadcenter is compatible with the HLD3500C's 600V rating and 3-pole design for safe, proper operation.
• Match the breaker’s 500A rating to your calculated load and protective device coordination to minimize downtime and protect downstream equipment.
• Label protected circuits clearly and verify proper wiring practices per local electrical codes during installation.
• Use this breaker as a reliable option for feeder protection where large conductors and heavy loads are present, reducing the risk of thermal damage and fault propagation.