Eaton EDB3125L - 125 A, 240 V, 3-Pole Circuit Breaker | AmpState

The Eaton EDB3125L is a 125 A, 240 V, 3-pole molded case circuit breaker engineered to deliver reliable branch-circuit protection for panelboards and loadcenters. With a compact footprint and purpose-built trip technology, it helps you maximize space without compromising safety or performance.

Key features that matter in real-world panels

• Compact molded-case design optimizes panel space, making it easier to fit additional circuits in tight rooms or compact enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding quickly to short-circuit faults while preventing nuisance trips from normal temperature fluctuations.
• 3-pole configuration (three-phase) is ideal for protecting multi-phase loads in commercial and light industrial applications, as well as balanced residential systems.
• OEM-compatible compatibility works with matching Eaton loadcenters and panelboards, ensuring a seamless, reliable fit during upgrades or replacements.
• Clear protection for branch circuits targets overcurrent and short-circuit events, safeguarding wiring, devices, and downstream equipment.

Why this breaker stands out

Rather than a generic solution, the EDB3125L is purpose-built for panel reliability. The thermal-magnetic design means you get predictable, clicked-in protection that stays steady across varying loads. Its 125 A rating is a practical choice for services and subpanels that require robust protection without oversizing downstream conductors or feeders. This is especially valuable in commercial spaces, light industrial setups, or multi-family residences where dependable protection and space efficiency truly matter.

Ideal use scenarios

• Expanding a panel or upgrading existing protection in residential, commercial, or light industrial environments.
• Replacing a failed breaker in Eaton or compatible OEM panelboards and loadcenters to restore circuit protection quickly.
• Protecting a three-phase compressor, motors, or other multi-wire equipment in small to medium facilities.
• Optimizing panel layout by consolidating protective devices in tight enclosures without sacrificing safety margins.

Compatibility and installation notes

The EDB3125L is designed for use in panelboards and loadcenters that are compatible with Eaton’s molded-case breaker family. Ensure you match the part to an OEM panel that supports 3-pole, 240 V protection and 125 A rating to maintain optimal performance and warranty coverage. For best results, follow standard electrical safety practices and refer to your panel’s installation guide when integrating this breaker into existing or new installations.

Specifications at a glance

• Manufacturer: Eaton
• Part number: EDB3125L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125 A
• Voltage rating: 240 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection