Eaton FD3125 - 125A, 3-Pole, Circuit Breaker

The Eaton FD3125 is a 125A, 3-Pole circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. Its 3-Pole configuration provides synchronized protection across all three phases, making it a robust choice for 3-phase power systems in panelboards, switchboards, and control panels. When reliability and safe operation matter, this Eaton unit helps keep distribution and motor-related equipment protected and running smoothly.

Key specifications

• Current rating: 125A
• Pole configuration: 3-Pole
• Breaker type: Circuit Breaker

Ideal applications

• Panelboards and switchboards where stable, all-phase protection is required
• Motor control centers (MCCs) for reliable safeguarding of three-phase motors
• OEM equipment and custom control panels that demand a proven three-pole protection solution

Why this breaker stands out

• 3-Pole design ensures simultaneous interruption of all phases, simplifying protection coordination in three-phase systems
• 125A rating provides a practical balance for feeding mid-size distribution circuits and motor loads
• Built for industrial, commercial, and OEM use, offering consistent performance in demanding environments

What you gain with the Eaton FD3125

• Reliable overcurrent protection that helps prevent damage from short circuits and overloads
• Safe, predictable operation in distribution panels and motor control centers
• Flexible integration across multiple enclosures—panelboards, switchboards, and control panels—within existing Eaton or compatible electrical systems

Installation & compatibility tips

When integrating the FD3125 into your system, verify that the panel or MCC architecture expects a 125A, 3-Pole protection device. Confirm compatible bus alignment and mounting within your distribution panels or control gear, and follow standard installation practices for three-phase breakers to ensure reliable tripping and consistent performance over time. This unit is designed to meet the needs of environments where dependable protection and safe operation are critical.