Eaton - Westinghouse 11-350 - Breaker MCC Bucket - 90 A, 208 V, 12" Height, 3 P | AmpState

Engineered to drop perfectly into Eaton - Westinghouse 11-350 motor control centers, this Breaker MCC Bucket from AmpState delivers dependable, industrial-grade power distribution for demanding environments. With a 90 A rating at 208 V and a compact 12" vertical frame, it balances robust performance with easy retrofit in existing MCC skylines and OEM configurations.

Key specifications

• Brand: Eaton
• Model: 11-350
• Type: Breaker MCC Bucket
• Amp rating: 90 A
• Voltage: 208 V (Three-phase, 60 Hz)
• Height: 12 inches
• Poles: 3 P
• Application: Industrial motor control, retrofit, OEM replacement

Why this MCC bucket stands out

What makes this Breaker MCC Bucket unique is its targeted compatibility with the Eaton - Westinghouse 11-350 family, enabling precise, drop-in replacement without major reconfigurations. The 3-pole, 90 A design is tuned for motor control centers that manage moderate-to-large industrial motors, pumps, conveyors, and HVAC equipment. The 12" vertical frame is purpose-built to fit tighter MCC footprints while maintaining solid busbar alignment and secure breaker integration, reducing installation complexity and downtime.

Ideal use cases

• Retrofits: Modernize aging MCCs by swapping in a purpose-built 11-350 bucket that matches current ratings and mechanical interfaces.
• OEM replacement: Maintain fleet consistency with an authentic Eaton-Westinghouse component designed for OEM specifications.
• Custom MCC configurations: Assemble tailored power-distribution layouts for machinery clusters, ensuring reliable 208 V three-phase supply to motors and drives.
• Industrial power distribution: Support heavy-duty motor loads in manufacturing, processing, and facility automation environments.

Performance in real-world scenarios

With a 208 V, three-phase, 60 Hz supply and a 90 A capacity, this bucket is well-suited for motors that require robust starting current handling and consistent operation under load. Its compatibility with 11-350 MCCs means you can maintain uniform electrical characteristics across multiple bays, which simplifies protection coordination, breaker testing, and maintenance routines. The solution is built to endure the vibrational and ambient conditions common in industrial settings, helping to minimize nuisance trips and prolong service life when paired with proper enclosure and cooling strategies.

Installation and compatibility guidance

• Confirm dimensional fit and mounting points align with the existing 12" vertical frame and associated rails in your MCC cabinet.
• Validate that the 3-pole breaker configuration matches your protection scheme and busbar arrangement.
• Coordinate with your protection and control scheme to ensure seamless integration with existing relays and sensors.
• Plan for straightforward replacement with minimal downtime by leveraging the unit’s OEM-friendly design and mounting conventions.

What you gain with this unit

• Reliable motor control protection for moderate to large industrial loads
• Precise compatibility with Eaton - Westinghouse 11-350 MCCs for consistent performance
• Efficient retrofit paths and OEM replacement options to extend the life of current MCC infrastructure
• Compact 12" height that preserves valuable cabinet space while maintaining robust electrical clearance

Maintenance and care tips

For long-term reliability, pair the Breaker MCC Bucket with regular inspection of terminal connections and busbar interfaces. Ensure proper torque on connections, verify enclosure integrity to protect against dust and moisture, and schedule periodic testing of protection settings in alignment with your maintenance plan. When used as part of a controlled routine, this bucket helps sustain consistent motor performance and protection across your power distribution network.

Designed for industrial environments where uptime matters, this Eaton - Westinghouse 11-350 Breaker MCC Bucket delivers targeted performance, durable construction, and the exact fit you need for retrofit, OEM replacement, and custom MCC configurations. Available from AmpState, your trusted source for mission-critical electrical components.