Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 40 A, 240 V, 18" Height, 3 P | AmpState

The Eaton - Westinghouse 11-300 Breaker MCC Bucket is a purpose-built solution for modern industrial power distribution and motor control. Designed to slot into existing Eaton-Westinghouse 11-300 motor control centers, this 40 A, 240 V MCC bucket provides a reliable, OEM-ready replacement that supports retrofit projects and custom MCC configurations with confidence.

Compatibility, use cases, and value

Built to fit the 11-300 frame, this breaker MCC bucket is ideal for facilities upgrading aging equipment, expanding motor control capabilities, or replacing worn components without overhauling an entire MCC. Its 18" vertical frame matches standard installation footprints, making it a practical upgrade for plants that need to maintain consistent lineups and access for maintenance. Use cases include:

• Retrofits in existing 11-300 MCCs to restore full motor control functionality
• OEM replacements that preserve original electrical architecture and mounting patterns
• Custom MCC configurations where precise breaker, wiring, and withdrawal clearance are essential
• Industrial and commercial power distribution applications with 3-phase, 60 Hz systems

Specifications at a glance

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 40 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 18"
• Poles: 3-Pole
• Applications: Industrial motor control, retrofit projects, OEM replacement

Why this MCC bucket stands out

Choosing the official 11-300 Breaker MCC Bucket ensures a precise fit, verified electrical characteristics, and compatibility with your existing Eaton-Westinghouse infrastructure. Rather than resorting to makeshift or aftermarket substitutes, this bucket preserves the integrity of your motor control center’s alignment, mounting, and electrical coordination. It’s designed for ongoing reliability in demanding environments, helping you minimize downtime during replacements and expansions.

Practical guidance for use

• Plan replacements around common maintenance windows to reduce disruption in critical processes
• Verify the 18" frame height ensures seamless integration with current MCC racks and trays
• Confirm the three-pole configuration aligns with your motor load and protection schemes
• Keep a spare bucket on hand for rapid OEM replacements during scheduled overhauls

Whether you’re upgrading a standalone drive stack, expanding a regional distribution hub, or performing OEM-oriented refurbishments, the Eaton 11-300 Breaker MCC Bucket delivers a dependable, straightforward path to restoring full motor control capabilities. Its tested compatibility with 11-300 centers, combined with a robust 40 A, 240 V rating, makes it a pragmatic choice for engineers and maintenance teams prioritizing fit, performance, and long-term operability.