Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 90 A, 240 V, 9" Height, 3 P | AmpState

Powering dependable motor control and industrial power distribution, the Eaton-Westinghouse 11-300 Breaker MCC Bucket is crafted to slot seamlessly into existing 11-300 motor control centers. Rated for 90 A at 240 V in a three-phase, 60 Hz system, this bucket delivers consistent protection where demanding motors and drives require reliable performance.

Designed for retrofit, OEM replacement, and custom MCC configurations, the 9-inch vertical-frame MCC bucket provides a precise fit and streamlined installation. The 3-pole (3P) configuration ensures balanced protection across a three-phase circuit, making it an ideal upgrade path for aging MCCs or as part of a tailored power distribution solution.

• Key specs at a glance
• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 90 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 9" (vertical frame)
• Poles: 3P
• Applications: Industrial motor control, retrofit, OEM replacement

This bucket is an excellent choice for facilities upgrading motor control centers without overhauling entire switchgear. By pairing with compatible Eaton-Westinghouse 11-300 components, it helps maintain consistent electrical characteristics, reliable contact performance, and straightforward maintenance cycles. It’s particularly well-suited for plants with multiple motors, conveyors, pumps, or fans where dependable protection and quick swap capability are critical.

Who should consider it — maintenance teams, electrical engineers, and contractors responsible for upgrading or maintaining 11-300 MCC systems, as well as OEMs integrating modular MCC configurations into new builds. It’s also a practical spare bucket for service crews seeking rapid downtime recovery in industrial environments.

Practical tips and insights — verify the bucket’s compatibility with your existing 11-300 MCC frame, confirm three-phase 240 V supply, and plan for a clean, code-compliant installation with proper locking and labeling. The 9" height and 3P arrangement are designed to align with standard 11-300 footprints, helping to minimize mounting adjustments and wiring changes during replacement or retrofit.

Available from AmpState, this Eaton 11-300 Breaker MCC Bucket is a purpose-built solution for reliable motor control and scalable power distribution in demanding industrial settings.