Eaton - Westinghouse 11-350 - Breaker MCC Bucket - 400 A, 208 V, 30" Height, 3 P | AmpState

Designed to power up industrial motor control rooms with precision, the Eaton - Westinghouse 11-350 Breaker MCC Bucket delivers dependable performance in a compact, retrofit-ready package. With a 30" vertical frame and a 400 A rating at 208 V, this bucket is purpose-built to slot into 11-350 motor control centers, delivering reliable current handling for demanding applications while simplifying modernization and expansion projects.

Why this MCC Bucket stands out

• Exact compatibility with Eaton - Westinghouse 11-350 MCCs: Built to align with the original frame, bus interfaces, and mounting geometry, enabling smooth retrofit, OEM replacement, and easy reconfiguration without re-engineering the surrounding cabinet.
• High-current capability: 400 A continuous rating at 208 V supports heavy motor loads and robust distribution feeders, helping you maintain uptime even in peak demand scenarios.
• Space-efficient 30" frame: A tall, slim profile that fits tightly in standard MCC bays while preserving accessibility for maintenance and testing.
• Three-phase 208 V operation at 60 Hz mirrors common industrial power systems, reducing the need for additional transformers or adapters in retrofit projects.
• Versatile deployment: Designed for retrofit, OEM replacement, and custom MCC configurations—ideal for plant modernizations, capacity upgrades, or spare-part strategy.

Specifications at a glance

• Brand: Eaton
• Model: 11-350
• Type: Breaker MCC Bucket
• Amp Rating: 400 A
• Voltage: 208 V (Three-phase, 60 Hz)
• Height: 30"
• Application: Industrial Motor Control / Retrofit / OEM Replacement

Ideal use scenarios

• Upgrading existing 11-350 MCCs to restore or boost motor control capacity without a full panel redesign.
• OEM replacement during plant modernization to minimize downtime and maintain electrical system integrity.
• Custom MCC configurations that require a reliable, compatible bucket with proven interfaces.
• Strategic spare bucket for maintenance planning, reducing production interruptions during changeouts.

How it integrates and installs

This breaker MCC bucket is purpose-built to integrate with Eaton - Westinghouse 11-350 motor control centers, ensuring a straightforward fit with minimal modification. When planning installation, verify that the target MCC frame is designed for 400 A at 208 V and that you’re working within a 30" tall bucket installation. Always follow standard safety practices for de-energizing, locking out, and testing prior to swapping components.

Practical tips for maximizing value

• Keep a labeled spare bucket on hand as part of a proactive maintenance strategy to cut downtime during routine servicing or unexpected failures.
• Document part numbers and exact fitment notes for future replacements to ensure quick ordering and compatibility checks.
• Schedule periodic inspections of connections and mounting hardware to maintain reliable performance over time.