Eaton - Westinghouse 11-350 - Breaker MCC Bucket - 20 A, 240 V, 18" Height, 3 P | AmpState

Engineered for rugged industrial environments, the Eaton - Westinghouse 11-350 Breaker MCC Bucket brings reliable motor-control protection and streamlined power distribution to your facility. With a 20 A rating at 240 V and an 18" vertical frame, this 3-pole MCC bucket is purpose-built to slot into Eaton-Westinghouse 11-350 motor control centers, delivering a precise, drop-in replacement that supports retrofit projects, OEM replacements, and custom MCC configurations.

Key specifications at a glance

• Amp rating: 20 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 18"
• Type: Breaker MCC Bucket
• Pole configuration: 3 P
• Application: Industrial motor control, retrofit, OEM replacement
• Compatibility: Eaton - Westinghouse 11-350 frames

What makes this MCC bucket stand out

• Seamless retrofit compatibility: Specifically designed to fit the Eaton-Westinghouse 11-350 MCCs, enabling quick modernization without major panel redesign.
• Durable construction for harsh environments: Built to withstand the demands of industrial floors, ensuring dependable protection for critical motor loads.
• Clear, practical 3-phase protection: Three-pole configuration delivers coordinated disconnection and reliable shutdown for balanced three-phase systems.
• OEM replacement flexibility: A practical, drop-in solution that maintains existing wiring schematics and bus connections, reducing downtime during replacement or upgrades.

Ideal use cases

• Upgrading aging MCCs in manufacturing lines, packaging facilities, or processing plants where reliable motor control is essential.
• OEM replacement projects to restore original performance and compatibility with existing control architectures.
• Custom MCC configurations requiring a robust, standardized breaker bucket that fits a 11-350 frame.
• Maintenance planning for spare parts inventories—keep a ready-to-deploy bucket on hand for service continuity.

Compatibility, installation and best practices

• Confirm your frame type: this bucket is designed for the Eaton - Westinghouse 11-350 MCCs. Prior verification minimizes fitment issues during retrofit or replacement.
• Match the electrical specifications: 20 A capacity within 240 V three-phase systems ensures consistent protection across motor circuits.
• Prepare for a straightforward swap: ensure the mounting height (18") and pole configuration align with your existing MCC layout to maintain proper bus alignment and pull-in forces.
• Follow safety and lockout/tagout procedures during installation to safeguard personnel and equipment.

Maintenance and longevity tips

Regularly inspect connections and terminals for tightness, clean away dust and debris from the bucket interior, and schedule periodic checks on insulation and bus interfaces. Keeping the MCC bucket in a controlled environment minimizes corrosion and helps preserve reliable contact resistance over time.

Designed to support industrial power distribution and machine control with a focus on retrofit practicality and OEM compatibility, the Eaton - Westinghouse 11-350 Breaker MCC Bucket is a smart, durable choice for facilities aiming to modernize their motor-control infrastructure without compromising on performance.