Eaton CHH2125 - 125 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Eaton CHH2125 is a compact, dependable 2-pole molded case circuit breaker engineered to protect panelboards and loadcenters from overcurrent and short circuits at 240 V. With a robust 125 A rating, this breaker handles demanding branch circuits while maximizing space efficiency in crowded electrical panels.

Why this breaker stands out

• Space-efficient molded case design: A compact footprint helps you make the most of limited panel space without sacrificing protection or performance.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across temperature variations and fault conditions, reducing nuisance trips while ensuring timely disconnection when needed.
• OEM panel compatibility: Specifically designed to be compatible with matching Eaton loadcenters and panelboards, ensuring reliable fit and seamless operation in existing installations.
• Versatile applications: Suitable for residential, commercial, and light industrial environments, making it a versatile choice for a wide range of circuits and loads.
• Clear protection for large circuits: 125 A at 240 V provides solid protection for substantial branch circuits and feeders, helping safeguard equipment and wiring.

What problems it solves

• Provides dependable overcurrent and short-circuit protection for 240 V circuits, helping prevent wiring damage and equipment failures.
• Offers a reliable, repeatable trip response, reducing unexpected trips that disrupt critical loads.
• Fits neatly into compatible Eaton panelboards, enabling straightforward upgrades or replacements without extensive panel modification.

Ideal use cases

• Residential subpanels or main distribution panels where 240 V, two-pole protection is required for heavy appliances or feeders.
• Commercial lighting, HVAC feeders, and other office or retail electrical circuits that demand robust protection and reliable operation.
• Light industrial equipment feeders where compact design and dependable trip performance are essential.

Technical snapshot

• Manufacturer: Eaton
• Part Number: CHH2125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Pro tips for installing and optimizing performance

• Pair the CHH2125 with Eaton-compatible loadcenters or panelboards to ensure a precise fit and reliable electrical continuity.
• Plan ahead for future expansion by choosing a breaker that aligns with your panel’s capacity and the circuits you intend to protect.
• Follow local codes and NEC guidelines, and have the installation performed by a qualified electrician to ensure safe, compliant operation.