Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 50 A, 480 V, 12" Height, 3 P | AmpState

The Eaton - Westinghouse 11-300 Breaker MCC Bucket is a purpose-built component for industrial and commercial power distribution, designed to integrate seamlessly with Eaton-Westinghouse 11-300 motor control centers. Rated for 50 A at 480 V and positioned on a compact 12" vertical frame, this MCC bucket delivers dependable breaker support for demanding motor control applications.

Why this MCC bucket stands out

• Direct compatibility with the 11-300 MCC family—engineered to slot into existing 11-300 frames without modification, reducing downtime and installation risk.
• Optimized for retrofit and OEM replacement—a smart choice when upgrading aging MCCs or when replacing failed bucklets in seasoned installations.
• Compact 12" vertical footprint—enables efficient rack space utilization in crowded control rooms and switchgear layouts.
• Solid electrical performance—rated 50 A at 480 V (three-phase, 60 Hz), making it suitable for mid-range motor control and power distribution tasks common in industrial facilities.

Technical specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 50 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 12 inches
• Application: Industrial Motor Control, Retrofit, OEM Replacement

Ideal use cases

• Upgrading legacy motor control centers where downtime must be minimized and compatibility with existing 11-300 gear is essential.
• OEM replacement scenarios where a like-for-like bucket ensures continuity of control, protection, and wiring schemes.
• New or retrofitted MCC configurations in manufacturing floors, processing plants, and facilities with moderate motor loads requiring reliable 50 A protection at 480 V.
• Retrofit projects that aim to modernize control infrastructure without overhauling entire switchgear assemblies.

Practical considerations and tips

• Confirm that your control panel or MCC frame is designed for the 11-300 bucket family to ensure a snug, secure fit.
• Verify three-phase 480 V supply compatibility and current rating to match your motor loads and protection schemes.
• Coordinate with qualified electrical personnel for proper installation, wiring, and safety clearances within your MCC housing.
• Consider pairing this bucket with matching 11-300 components to maintain consistent performance and serviceability across the entire MCC lineup.

If you’re modernizing an Eaton-Westinghouse 11-300 system or replacing a worn MCC bucket, this 50 A, 480 V Breaker MCC Bucket delivers a precise fit, dependable operation, and streamlined installation—helping you keep your industrial power distribution running smoothly and safely.