Eaton Westinghouse 11-300 50 A Breaker MCC Bucket

Designed to integrate seamlessly with Eaton - Westinghouse 11-300 motor control centers, this Breaker MCC Bucket provides a precise 50 A, 240 V three‑phase solution for reliable industrial power distribution and motor control. Its compact 6" vertical frame is engineered for retrofit projects, OEM replacement, and custom MCC configurations where space efficiency and dependable performance matter.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 50 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 6"
• Poles: 3P
• Applications: Industrial motor control, retrofit, OEM replacement

Industrial use cases and real-world value

This MCC bucket is purpose-built for facilities that require quick, reliable upgrades or replacements within a running motor control center. Use it to:

• Retrofit aging MCC banks to restore performance without overhauling the entire power distribution frame.
• Replace a failed breaker bucket in an existing 11-300 configuration to minimize downtime and maintain consistent motor control across lines.
• Support custom MCC configurations where a dedicated 50 A, 240 V, 3‑phase bucket is needed for specific motor loads such as conveyors, pumps, or fans.

What makes this bucket stand out

• Exact fit for 11-300 MCCs: Engineered to align with Eaton-Westinghouse bus interfaces and mounting points, ensuring straightforward substitution without modification.
• Balanced capacity and compact footprint: 50 A at 240 V provides solid protection and control for mid‑range motor loads while fitting into tight MCC spaces.
• Versatile for OEM and aftermarket needs: Ideal for original equipment manufacturers and service teams performing strategic replacements or modular upgrades.

Compatibility and practical considerations

Best used in environments that run three-phase, 60 Hz power and require a 3-pole breaker bucket within a 6" vertical frame. When planning a replacement or retrofit, verify that the existing MCC bank is compatible with the 11-300 series bucket and that the application load aligns with a 50 A, 240 V rating. This approach helps ensure reliable motor control and minimizes compatibility concerns during installation.

Who benefits most

• Plant engineers and maintenance teams overseeing industrial motor control centers.
• Controls integrators performing OEM replacements or custom MCC configurations.
• Facilities updating mid-range motor drives for conveyors, pumps, fans, and other 3‑phase loads.