Eaton Hma3800F - 800 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton Hma3800F is an 800A, 600V, 3‑pole molded case circuit breaker engineered to safeguard branch circuits in panelboards and load centers. Its compact profile and precise thermal‑magnetic trip system deliver reliable protection for demanding electrical installations, making it an essential component in Eaton’s panel ecosystems.

• Space‑efficient molded case design: The compact footprint maximizes panel real estate, helping you fit more circuitry or devices without crowding conductors.
• Predictable, fast protection: A dual sensing thermal‑magnetic trip unit provides stable overcurrent protection and swift response to short circuits, reducing the risk of damage and downtime.
• Three‑phase protection: The 3‑pole configuration guards all phases in balanced loads, ideal for modern commercial and light industrial equipment.
• OEM panel compatibility: Designed to pair seamlessly with matching Eaton loadcenters and panelboards, supporting straightforward retrofits and consistent protection performance.
• High ampacity for demanding circuits: With an 800A rating at up to 600V, it handles large branch circuits while maintaining reliable coordination with other protection devices.
• Versatile across settings: A solid choice for residential, commercial, and light industrial environments where dependable overcurrent and short‑circuit protection matters.

Ideal for electricians and facilities managers upgrading panels or replacing aging breakers, the Hma3800F delivers a robust, long‑lasting solution that integrates smoothly into existing Eaton panel ecosystems. Whether you’re installing a new main distribution panel, expanding a service entrance, or coordinating protections for three‑phase equipment like variable frequency drives and large motors, this 3‑pole MCCB provides balanced protection with minimal panel disruption.

Use cases and practical scenarios

• New construction or retrofit projects in small offices or retail spaces with three‑phase equipment requiring reliable branch circuit protection.
• Commercial panels serving multiple tenants where space is at a premium and panel density matters.
• Light industrial enclosures housing motors, drives, and HVAC equipment that need dependable protection without crowding the panel interior.

Technical snapshot

• Manufacturer: Eaton
• Part Number: Hma3800F
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 800A
• Voltage Rating: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short‑circuit protection