Eaton HFD3100 - 100 A, 600 V, 3-Pole Circuit Breaker | AmpState

Engineered for dependable branch circuit protection, the Eaton HFD3100 is a 100 A, 600 V, 3-pole molded case circuit breaker designed to integrate seamlessly with panelboards and loadcenters. This compact, rugged device delivers reliable overcurrent and short-circuit protection where it matters most—in residential, commercial, and light industrial electrical systems.

• Space-efficient molded-case design optimizes panel layout by providing robust protection in a compact footprint, making wiring and panel planning simpler.
• Thermal-magnetic trip unit combines a thermal element for gradual overload protection with an instantaneous magnetic trip for fast response to short circuits, delivering stable, repeatable protection performance over time.
• 3-pole configuration is ideal for 3-phase systems and multiwire branch circuits, ensuring balanced protection across all phases.
• 600 V rating supports higher-energy applications and broad compatibility with modern electrical distribution panels.
• OEM-compatible designed to drop into matching Eaton OEM loadcenters and panelboards, providing a seamless fit and coordinated protection where you install it.
• Versatile application suitable for a range of environments—residential, commercial, and light industrial—where reliable circuit protection is essential.

Technical specifications

• Manufacturer: Eaton
• Part Number: HFD3100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who is this ideal for? electricians and facility managers seeking a dependable, drop-in protection solution for 3-phase panelboards and loadcenters. If you’re upgrading or provisioning new electrical infrastructure in commercial spaces or light industrial environments, the HFD3100 offers a balanced blend of compact form factor, precise protection, and compatibility with Eaton’s panel platforms.

Practical usage notes: plan for coordinated protection across the distribution system to minimize nuisance trips, and always follow the panel manufacturer’s installation guidelines for wiring, torque, and maintenance. The HFD3100 is built to deliver consistent performance in daily operating conditions, providing peace of mind that your critical circuits stay safeguarded.