Eaton HMDL3800X - 800 A, 600 V, 3-Pole Circuit Breaker | AmpState

Eaton HMDL3800X is an 800 A, 600 V, 3-pole molded-case circuit breaker engineered to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to fit seamlessly into Eaton’s panel ecosystem, it combines robust protection with efficient use of space—ideal for modern electrical installs where footprint and reliability matter.

The heart of its performance is a thermal-magnetic trip unit, which blends precise magnetic trip for immediate short-circuit response with a thermal mechanism that accommodates normal load variations. The result is stable, repeatable protection across a wide range of operating conditions, reducing nuisance trips and helping safeguard downstream equipment and wiring.

• Three-pole configuration supports 3-phase circuits common in commercial and light industrial applications, enabling clean, centralized protection for multi-wire systems.
• Compact molded-case design maximizes panel space, making it easier to retrofit or expand panels in crowded electrical rooms.
• OEM-compatible designed to pair with matching Eaton loadcenters and panelboards for straightforward replacements and reliable performance.
• Versatile applications suitable for residential, commercial, and light industrial installations that require high-current protection in a 600 V system.
• Durable construction delivers dependable operation in daily service and simplifies field replacement when maintenance is needed.

Technical overview

• Manufacturer: Eaton
• Part Number: HMDL3800X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 800 A
• Voltage rating: 600 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

This model is ideal for electrical professionals upgrading panel infrastructure in commercial buildings, multi-residential properties, or light industrial facilities where a high-capacity, reliable 3-pole breaker is essential. If you’re replacing an aging device or expanding a panel to support additional circuits, the HMDL3800X provides a trustworthy, OEM-aligned solution that keeps your electrical system protected and operating smoothly.

Practical tips for best results: confirm panel compatibility with Eaton OEM devices, follow the panel manufacturer’s installation guidelines, and plan for future load growth by selecting the appropriate amperage rating and pole configuration. With the HMDL3800X, you gain a dependable protection partner built to endure demanding electrical environments.