Eaton NDC312T76W 1200A 3-Pole 600 V Circuit Breaker

The Eaton NDC312T76W 1200A 3-Pole 600 V Circuit Breaker is built to protect and control high-demand three-phase power in demanding environments. With a 1200 A current rating and a robust 3-pole design, it delivers reliable protection for large feeders and heavy equipment while ensuring a safe, coordinated shutdown across all phases.

Engineered for seamless integration within Eaton power distribution systems, this breaker carries the part number NDC312T76W and is designed to align with Eaton panels, switchgear, and accessories. That compatibility translates to straightforward installation, predictable performance, and easier maintenance in busy facilities.

Key advantages that matter in demanding applications

• High-current protection: 1200 A rating makes it ideal as a main feeder breaker for substantial electrical networks, reducing the need for multiple smaller devices.
• Balanced three-phase protection: A true 3-pole design ensures all phases trip together, helping prevent phase imbalances and protecting motors and equipment from uneven fault conditions.
• Industrial-grade voltage handling: Rated for systems up to 600 V, suitable for a wide range of manufacturing plants, processing lines, and heavy machinery installations.
• Trusted Eaton compatibility: Part number NDC312T76W guarantees a reliable fit within Eaton’s ecosystem of panels, MCCs, and distribution gear for streamlined serviceability.

Ideal use cases

• Main feeders in large electrical panels and motor control centers for manufacturing facilities.
• Protection for critical industrial equipment in plants with high 3-phase loads.
• Power distribution for data centers, campuses, or facilities with substantial three-phase electrical demand.

Specifications at a glance

• Current rating: 1200 A
• Poles: 3
• Voltage rating: 600 V
• Part number: NDC312T76W

Whether you’re upgrading an aging panel, redesigning a distribution scheme for higher capacity, or consolidating feeders in a busy motor control center, the Eaton NDC312T76W delivers the dependable protection you need with the clarity and compatibility you expect from Eaton.