Eaton | FDC4125LBP10 | Circuit Breaker | 125A | 4-Pole | 600V

Eaton FDC4125LBP10 is a purpose-built circuit breaker engineered to deliver dependable overcurrent protection for demanding electrical installations. With a 125A rating and a 4-pole configuration set at 600V, this Eaton unit is tailored for 3‑phase systems that also require a neutral/disconnect across all poles. Built for maintenance, retrofit, and replacement projects, it helps ensure safety, reliability, and compliance in your power distribution panels.

Key specifications

• Amperage: 125 A
• Poles: 4-Pole
• Voltage rating: 600 V
• Part reference: FDC4125LBP10

Why this Eaton breaker stands out

In retrofit and replacement scenarios, having the exact part number matters. The FDC4125LBP10 is designed to slot into panels and systems that require a precise 125A, 4-pole, 600V solution, ensuring compatibility with existing wiring, bus configurations, and OEM specifications. Its four-pole design supports synchronized disconnection across all poles, a crucial feature for safety during maintenance on 3‑phase feeders with a neutral conductor.

Ideal use cases

• Maintenance and service upgrades in industrial panels where 4-pole, 600V protection is mandated
• Retrofits and replacements in legacy panels that require exact amperage and pole configuration
• New installations that adhere to Eaton’s specification for 125A, 4-pole, 600V circuit protection
• Applications in data centers, manufacturing floors, and commercial facilities with 3‑phase power distribution

Compatibility and purchase tips

Important: always confirm fit and ratings before ordering. The part number FDC4125LBP10 is the most reliable reference for compatibility with your panelboard or switchgear. If you’re replacing an older model, cross-check the mounting footprint, bus bar spacing, and voltage rating to avoid mismatches during installation.

What you’ll gain

Reliable, code-compliant protection for your critical circuits, streamlined maintenance with a straightforward swap for compatible Eaton panels, and confidence that your 3‑phase distribution remains safe and controllable during servicing. This 125A, 4‑pole, 600V circuit breaker is a precise, durable choice for professionals upgrading or maintaining power distribution systems.