Eaton FD2125 - 125 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton FD2125 is a rugged 2-pole, 125 A, 600 V bolt-on molded case circuit breaker engineered for reliable branch-circuit protection in panelboards and loadcenters. Designed to stay secure under vibration, it delivers dependable protection for demanding electrical installations while fitting neatly into compatible Eaton panel systems.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing connections loosening and arcing in dynamic panel environments.
• Thermal-magnetic trip unit combines precise overload protection with fast short-circuit interruption, delivering stable, repeatable performance over the life of the installation.
• OEM-compatible design engineered to work with matching Eaton loadcenters and panelboards, streamlining installation and ensuring reliable, code-appropriate protection.
• Versatile for multiple settings suitable for residential, commercial, and light industrial applications where dependable overcurrent and short-circuit protection is required.

Technical specifications

• Manufacturer: Eaton
• Part Number: FD2125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 600 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical considerations

• Install in panelboards and loadcenters that require a bolt-on, two-pole protection device for single- or multi-breaker arrangements in electrical distribution systems.
• Great for new installations and retrofit projects where a robust, vibration-resistant solution is needed in areas prone to movement or equipment vibration.
• Perfect for residential service panels, small commercial feeders, and light industrial panels where reliable 125 A protection at up to 600 V is appropriate.
• When replacing or upgrading existing bolt-on breakers, verify compatibility with your OEM panel and follow manufacturer installation guidelines for secure mounting and proper trip performance.

Choosing the Eaton FD2125 means pairing a proven thermal-magnetic protection mechanism with a durable bolt-on footprint, delivering dependable fault protection, straightforward installation, and peace of mind across a range of panelboard configurations.