Cutler-Hammer FDB3125L - 125A, 600VAC, 3-Pole, Circuit Breaker

The Cutler-Hammer FDB3125L is a rugged 125A, 600VAC, 3-Pole circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. Ideal for panelboards, switchboards, and control panels, this breaker provides reliable safety and system uptime for industrial, commercial, and OEM applications.

Why the 3-Pole design matters

With a true three-phase configuration, the FDB3125L supports balanced protection across all three phases, helping to prevent phase-to-phase faults and ensuring coordinated tripping in three‑phase systems. This makes it an excellent choice for motor control centers, distribution panels, and other applications where three‑phase protection is essential.

Key features and benefits

• Current rating: 125A — suitable for mid-to-large feeders and loads common in industrial facilities.
• Voltage rating: 600VAC — designed for high‑voltage power distribution environments found in commercial and industrial settings.
• Poles: 3-Pole — optimized for three‑phase circuits, simplifying wiring and protection in panelboards and switchboards.
• Reliability for critical applications — built to provide safe, predictable interruption of fault currents, helping keep equipment and personnel protected in motor control centers and distributed power systems.
• Versatile integration — suitable for OEM installations and retrofit projects where a dependable, triple‑pole protection solution is needed.

Use cases you can count on

• Protection for feeders feeding motors, conveyors, pumps, and fan assemblies in manufacturing facilities.
• Main or feeder protection within distribution panelboards and switchboards for centralized power management.
• Motor control centers and control panels where three‑phase protection is essential for reliable operation.
• OEM equipment where a compact, three‑pole circuit breaker simplifies design and maintenance.

Why choose Cutler-Hammer for circuit protection

Cutler-Hammer is a storied name in industrial electrical protection, backed by a legacy of reliability and thoughtful design. The FDB3125L embodies that heritage with a focus on straightforward protection, robust performance, and longevity in challenging environments. Choosing this breaker helps streamline inventory and maintenance across multi‑panel installations, while delivering consistent protection across the most demanding applications.

Specifications at a glance

• Current rating: 125A
• Voltage rating: 600VAC
• Poles: 3-Pole
• Breaker type: Circuit Breaker

For professionals designing and maintaining industrial power systems, the Cutler-Hammer FDB3125L offers a precise balance of three‑phase protection, high voltage tolerance, and practical integration into panelboards, switchboards, and motor control centers. It’s a dependable choice when uptime, safety, and code‑compliant overcurrent protection are priorities.