Eaton Cutler-Hammer EHD3100 100A 3P 480V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer EHD3100, a purpose-built circuit breaker engineered for reliable protection in panelboards, load centers, and electrical distribution systems. This 100 A, 3-pole, 480 V device delivers dependable performance for three-phase applications, helping safeguard equipment and maintain uninterrupted power delivery in commercial and industrial environments.

Designed with retrofit and maintenance in mind, the EHD3100 is the smart choice when the part number must stay consistent. Preserving the original specification simplifies ordering, reduces substitutions, and minimizes downtime during panel upgrades, service work, or system expansions.

Key benefits and practical value

• Consistent part number for retrofit projects: EHD3100 ensures compatibility with existing panels and documentation, making replacements straightforward.
• Three-pole, 480 V protection: Suitable for three-phase electrical distributions, providing balanced protection across each leg of the system.
• Reliable 100 A protection: Ideal for main or feeder protection in commercial setups, helping to prevent overloads and electrical faults from cascading through the distribution network.
• Versatile deployment: Suitable for panelboards, load centers, and broader electrical distribution configurations, supporting a range of retrofit, upgrade, and maintenance scenarios.

Who this is for

• Facilities managers and maintenance teams responsible for keeping commercial and light-industrial electrical systems up to date.
• Electrical contractors planning retrofit projects where exact part numbers must be retained for documentation and future servicing.
• Distributors and service providers seeking a dependable, widely compatible circuit breaker option from a trusted brand.

Specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: EHD3100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 480 V
• Availability: AmpState

Need help confirming compatibility with your exact panel or distribution setup? Message us, and AmpState will assist in verifying fit and ensuring you have the right part for a smooth retrofit or maintenance project.