Eaton - Westinghouse 11-350 - Breaker MCC Bucket - 300 A, 480 V, 48" Height, 3 P | AmpState

Powerful, reliable, and purpose-built for industrial motor control, the Eaton - Westinghouse 11-350 Breaker MCC Bucket from AmpState is designed to slot into existing 11-350 MCCs with ease. Built for demanding power distribution tasks, this bucket delivers consistent performance in environments where uptime and safety matter most.

Why this MCC bucket stands out

• High-capacity performance — rated at 300 A at 480 V, it supports large motor starters, feeders, and demanding loads in one compact module.
• 3-phase, 60 Hz operation ensures compatibility with standard industrial power systems and equipment.
• 48" vertical frame provides flexible retrofit and configuration options, enabling seamless OEM replacements and custom MCC layouts without wholesale panel changes.
• Designed specifically for use with the Eaton - Westinghouse 11-350 motor control centers, ensuring reliable fit, alignment, and performance within established architectures.
• Rugged construction suited for both industrial facilities and commercial installations that demand durable, long-lasting motor control infrastructure.

Ideal use cases

• Retrofit projects where old or undersized buckets need upgrading to support higher motor loads or modern control sequences.
• OEM replacement scenarios to extend equipment life and restore full MCC functionality without redesigning the control cabinet.
• Custom MCC configurations for facilities expanding production lines, upgrading pumps, conveyors, fans, or other motor-driven systems.

Technical snapshot

• Brand: Eaton
• Model: 11-350
• Type: Breaker MCC Bucket
• Amp Rating: 300 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 48"
• Application: Industrial motor control / Retrofit / OEM Replacement

Practical tips for installation and use

Plan your retrofit by confirming frame compatibility with the existing 11-350 MCC rails and bus connections. Ensure the supplying switchgear and motor loads align with the bucket’s 300 A rating and 480 V three-phase supply. During installation, verify secure mounting, proper alignment with adjacent buckets, and unobstructed ventilation to maintain cooling for reliable operation in continuous-duty environments. This bucket is designed to minimize downtime by enabling plug-and-play replacement within compatible 11-350 configurations, making it a smart choice for upgrading aging MCC infrastructure.