Eaton CAH3125 - 125 A, 3-Pole Circuit Breaker | AmpState

Protect critical circuits with precision and reliability using the Eaton CAH3125—125 A, 3-Pole molded case circuit breaker. Engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers, this unit is a practical choice for residential, commercial, and light industrial applications.

• Compact molded-case design maximizes panel space and simplifies wiring, helping you fit more circuits into a clean, organized enclosure.
• Thermal-magnetic trip unit delivers stable, repeatable protection across temperature fluctuations and fault scenarios, reducing nuisance trips while safeguarding connected equipment.
• 3-pole configuration ideal for 3-phase systems, supporting motors, compressors, and other three-phase loads common in commercial settings.
• OEM compatibility ensures a plug-and-play fit with matching Eaton panelboards and load centers for consistent trip performance and reliable operation.
• 125 A rating provides robust protection for medium-to-heavy branch circuits without sacrificing safety margins.
• Versatile application well-suited for residential upgrades, commercial installations, and light industrial electrical systems.

Use cases and practical scenarios

• Replacing aging breakers in existing Eaton panelboards to restore reliable protection and trip characteristics.
• Protecting three-phase feeders in small to mid-size commercial environments, such as offices, retail spaces, or light manufacturing lines.
• Upgrading circuit protection for motor loads and equipment where consistent trip performance is essential during startup surges.
• Integrating into a scalable protection strategy as electrical demand grows and panel configurations evolve.

Who should consider the Eaton CAH3125

Electrical contractors, facilities managers, and building owners who work with Eaton panelboards and load centers will appreciate the CAH3125 for its combination of space efficiency, reliable protection, and straightforward installation. If you’re planning a panel upgrade, service replacement, or new-build project that requires solid 3-phase overcurrent protection, this 125 A, 3-pole breaker is a dependable choice.

Technical specifications

• Manufacturer: Eaton
• Part number: CAH3125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125 A
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Designed for use with matching OEM Eaton load centers and panelboards

Choose the Eaton CAH3125 for a reliable, space-efficient, and scalable protection solution that aligns with Eaton panel systems and meets the demands of modern residential, commercial, and light industrial electric infrastructures.