Eaton HMCPE100T3W - 100 A, 480 V, 3-Pole Circuit Breaker | AmpState

Introducing the Eaton HMCPE100T3W, a 100 A, 480 V, 3-pole molded-case circuit breaker engineered to shield your panelboards and loadcenters from overcurrent and short-circuit events. Built for dependable protection in residential, commercial, and light industrial environments, this device pairs robust performance with compact dimensions to maximize panel space without sacrificing safety or reliability.

Key advantages that matter in the real world

• Space-efficient molded-case design minimizes footprint inside panelboards and loadcenters, making it easier to fit additional circuits and devices in tight enclosures.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both sustained overloads and fast short-circuit surges, helping reduce nuisance trips while maintaining critical safety thresholds.
• 3-pole configuration for 3-phase systems rated for 480 V, ideal for contemporary commercial and light industrial power distribution.
• OEM-loadcenter compatibility designed to pair seamlessly with matching Eaton panelboards and loadcenters, ensuring precise fitment and coordinated protection with other devices.
• Versatile protection for a range of applications suitable for new installations, panel upgrades, or replacements in service panels, subpanels, and distribution centers.

Ideal use cases

• Upgrading or provisioning 3-phase distributions in small to mid-size commercial spaces, offices, retail environments, and light industrial facilities.
• Replacing aging protection in existing Eaton panelboards where a 100 A, 480 V solution is required.
• Installing in new installations where compact footprint and reliable thermal-magnetic protection are critical for ongoing maintenance and safety.

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: HMCPE100T3W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Choosing the Eaton HMCPE100T3W means dependable protection built to coordinate with Eaton’s own panelboards and loadcenters, delivering precise trip performance when it matters most. This unit is a practical, durable solution for professionals who value space efficiency, consistent safety, and straightforward installation in 3-phase electrical distributions. Available through AmpState, it’s ready to integrate into your next panel upgrade or new build with confidence.