Eaton HMCPE100T3 - 100 A, 480 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HMCPE100T3 — a 100 A, 480 V, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to deliver precise protection where it matters most, this breaker helps keep critical electrical systems safe and running smoothly.

Compact design, big impact
The molded case form factor is purposefully compact to maximize panel space without compromising protection. This means easier bus insertion, cleaner wiring, and more room for future capacity within panelboards and loadcenters.

Thermal-magnetic trip unit for stable protection
A thermal-magnetic trip mechanism provides reliable, repeatable protection across a broad range of loads and ambient temperatures. The result is fewer nuisance trips and a predictable response to faults, giving you confidence during daily operation and during fault conditions.

Seamless compatibility
Designed to pair with matching OEM loadcenters and panelboards, the HMCPE100T3 installs with minimal hassle and ensures consistent protection characteristics across your electrical distribution system.

Why this 3-pole breaker is a smart choice

• Accurate protection for 480 V systems: Suited for commercial and light industrial environments where 480 V three-phase distribution is standard.
• Maximum panel efficiency: Its compact footprint helps you optimize space in crowded electrical spaces and simplifies wiring routes.
• Reliable, repeatable trip behavior: The thermal-magnetic design provides dependable performance across varying loads and temperatures, reducing unexpected outages.
• Broad application range: From small businesses to light industrial facilities, this breaker supports branch circuit overcurrent and short-circuit protection across diverse settings.
• OEM-aligned compatibility: Works with matching Eaton OEM panelboards and loadcenters to ensure streamlined installation and consistent protection profiles.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: HMCPE100T3
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 480 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical use scenarios you’ll encounter with the HMCPE100T3 include protecting feeder circuits in commercial panelboards, safeguarding lighting and power distribution in light industrial facilities, and providing reliable protection for critical equipment in mixed-use environments. If you’re upgrading an electrical distribution system or stocking spare breakers for a maintenance program, this 3-pole 100 A solution delivers predictable performance and straightforward integration with Eaton’s panelboard ecosystem.

In short, the Eaton HMCPE100T3 isn’t just a breaker—it’s a precisely engineered protection component that helps you maintain safe, efficient electrical distribution across a range of applications.