Eaton CA2125 - 125 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Eaton CA2125 is a 125A, 240V, 2-pole molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for consistent protection and long-term reliability, this breaker helps keep electrical systems safer and outages shorter.

Key advantages

• Compact molded-case design saves panel space and simplifies installation in tighter service panels and load centers.
• Thermal-magnetic trip unit provides stable, repeatable protection against overloads and short circuits, reducing nuisance trips and protecting downstream equipment.
• OEM-compatible designed to pair with matching Eaton panelboards and loadcenters for seamless integration and reliable performance.
• 125A, 240V, 2-pole configuration is ideal for protecting larger branch circuits and feeder sections in residential, commercial, and light industrial environments.

Technical snapshot

• Manufacturer: Eaton
• Part number: CA2125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125A
• Voltage rating: 240V
• Number of poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications and scenarios

Use the Eaton CA2125 in panelboards and load centers to protect branch circuits in a variety of settings. It's well-suited for:

• Residential subpanels and feeder circuits where reliability and space efficiency matter
• Commercial lighting, receptacle, and equipment circuits requiring robust protection
• Light industrial environments with moderate electrical demand where consistent trip performance is critical

Why this matters

Choosing the CA2125 means opting for a proven protection solution that aligns with Eaton’s panelboard ecosystems. The combination of a compact form factor, a thermal-magnetic trip mechanism, and OEM compatibility translates to straightforward replacements, predictable protection, and easier maintenance over the life of the installation.

Installation and compatibility notes

Designed for use within compatible Eaton panelboards and loadcenters, the CA2125 provides plug-and-play reliability for appropriate 2-pole, 125A, 240V circuits. When upgrading or replacing breakers, confirm that the panelboard is listed for use with Eaton thermal-magnetic molded case breakers of this rating to ensure optimal performance and safety.

Availability: This product is available through AmpState, making it accessible for projects ranging from home electrical upgrades to commercial retrofits.