Eaton - Westinghouse 11-350 - Breaker MCC Bucket - 75 A, 240 V, 6" Height, 3 P | AmpState

Engineered for reliable motor control in demanding environments, the Eaton – Westinghouse 11-350 Breaker MCC Bucket is designed to slot precisely into 11-350 motor control centers. With a 75 A rating at 240 V three-phase (60 Hz), this 3-pole breaker bucket serves as a robust heart of industrial power distribution and motor control systems, built around a compact 6" vertical frame for efficient panel layouts.

Key specifications at a glance

• Brand: Eaton
• Model: 11-350
• Type: Breaker MCC Bucket
• Amp rating: 75 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 6"
• Poles: 3P
• Applications: Industrial motor control, retrofit projects, OEM replacements

This MCC bucket is purpose-built for retrofit projects and OEM replacements, ensuring a precise fit with existing Eaton Westinghouse 11-350 configurations. The 6" vertical frame optimizes cabinet depth while maintaining easy access for maintenance, testing, and quick swapping during downtime windows.

Why this bucket stands out

• Exact fit for 11-350 MCCs—engineered to align with the original bus bars, interlocks, and mounting patterns, reducing modification work during upgrades or repairs.
• Optimized for 75 A loads—designed to handle typical motor control loads in manufacturing lines, pumps, conveyors, compressors, and process equipment without over-sizing the system.
• Compact footprint, scalable configuration—the 6" height supports compact MCC designs while still enabling modular expansion and customization for evolving motor control needs.
• Reliable three-phase 240 V operation—specifically suited for standard industrial power layouts, delivering predictable performance across demanding shift schedules.
• OEM replacement friendly—built to maintain electrical and mechanical compatibility with your existing MCC infrastructure, minimizing downtime during replacement or refurbishment.

Ideal use cases and practical scenarios

• Upgrading aging motor control centers in manufacturing facilities where 75 A per circuit and 240 V three-phase supply are standard.
• Custom MCC configurations for new equipment lines that require a precise, plug-and-play replacement without reconfiguring whole panels.
• Retrofit projects aimed at extending the life of legacy systems while preserving original safety interlocks and mounting interfaces.
• OEM replacement programs when producing or refurbishing equipment that relies on the 11-350 family for consistent performance.

How this bucket improves uptime and reliability

By aligning with Eaton’s established design standards, this MCC bucket provides predictable trip characteristics, solid mechanical retention, and dependable conductors for seamless power distribution to motors. Its dedicated fitment reduces commissioning time and minimizes the risk of compatibility issues that can occur with off-brand substitutes.

Practical tips for installation and maintenance

• Before installation, verify the MCC model in use is compatible with the 11-350 bucket and confirm the 3P 75 A rating matches your motor loads.
• Ensure mounting holes and bus bar connections align with the existing frame to prevent staggered connections or misalignment during retrofits.
• During retrofit or replacement, inspect adjacent buckets and interlocks for wear and replace as needed to maintain panel integrity and safety interlocks.
• Schedule downtime with proper lockout/tagout procedures and have correct torque specifications for mounting hardware to ensure a secure, fault-free installation.

For facilities managers, contractors, and OEM integrators, this Eaton – Westinghouse 11-350 Breaker MCC Bucket delivers a targeted, high-precision solution that reduces installation friction, supports scalable motor control configurations, and preserves the integrity of your existing MCC ecosystem. It’s the practical choice when you need a dependable, exact-match replacement or retrofit component that keeps industrial power distribution running smoothly.