Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 400 A, 600 V, 30" Height, 3 P | AmpState

Power the heart of industrial power distribution with the Eaton - Westinghouse 11-300 Breaker MCC Bucket from AmpState. Engineered to slot seamlessly into 11-300 motor control centers, this bucket balances rugged reliability with retrofit agility, making it a smart choice for facilities that value uptime and consistent motor control performance.

Designed for demanding three-phase applications, this MCC bucket delivers a robust 400 A rating at 600 V (Three-phase, 60 Hz), handling motor loads, conveyors, pumps, and process equipment with confidence. The 30" vertical frame aligns with standard MCC rails, simplifying integration into existing switchgear and enabling straightforward retrofits or OEM replacements without extensive rework.

• 400 A at 600 V, three-phase (60 Hz) — qualified to power mid- to high-capacity motor loads.
• 30" vertical frame — optimized for space-efficient mounting in standard MCC configurations.
• 3-pole design — ensures synchronized switching for all three phases, enhancing motor protection and performance.
• Compatibility with Eaton - Westinghouse 11-300 MCCs — ideal for retrofit projects, OEM replacements, and modular MCC builds.
• Industrial-grade construction — designed to withstand the rigors of manufacturing floors, processing plants, and commercial power distribution environments.
• AmpState commitment — a trusted replacement part lineage that supports consistent performance and rapid availability for critical spares.

Ideal use cases

• Retrofits to modernize aging MCCs without changing entire switchgear footprints.
• OEM replacement in new-build or expansion projects that require exact fitment and electrical characteristics.
• Modular MCC configurations where spare buckets enable quick reconfiguration for changing motor loads.
• Industrial facilities, manufacturing lines, water treatment, HVAC systems, and processing plants needing reliable motor control distribution.

Why this bucket stands out

Unlike generic MCC components, this Breaker MCC Bucket is purpose-built for the Eaton - Westinghouse 11-300 frame. Its precise dimensions and three-pole 600 V compatibility reduce installation guesswork, lower commissioning time, and minimize downtime during maintenance or expansion. The combination of a solid 400 A rating, a 30" frame height, and a 3P configuration delivers predictable, controlled motor starts and steady distribution for demanding operations.

Practical tips for deployment

• Verify the bucket matches your MCC’s frame and bus connections before ordering to ensure a seamless retrofit.
• Coordinate with your electrical team to align protective devices and wiring schemas with the 400 A, 600 V three-phase rating.
• During installation, follow standard safety practices for switching gear and verify all connections are torqued to the OEM specifications.
• Leverage modular MCC planning by stocking this bucket as a ready-to-install spare for rapid recovery from faults or load changes.