Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 90 A, 480 V, 18" Height, 3 P | AmpState

Meet the Breaker MCC Bucket designed to slot precisely into Eaton – Westinghouse 11-300 motor control centers. Built for dependable industrial power distribution, this unit delivers a 90 A rating at 480 V (three-phase, 60 Hz) in an 18" vertical frame. With a 3-pole configuration, it’s ready to support demanding motor control applications while offering straightforward retrofit, OEM replacement, and custom MCC configuration options.

Why this Breaker MCC Bucket stands out

• Direct compatibility with Eaton-Westinghouse 11-300 MCCs for a seamless upgrade or replacement
• 90 A current rating at 480 V three-phase to handle standard motor loads in manufacturing, processing, and utilities environments
• Compact 18" vertical frame height that fits common MCC bays without compromising accessibility or serviceability
• Three-pole design (3P) suitable for typical motor starter circuits and power distribution tasks
• Robust, purpose-built construction intended for retrofit projects, OEM replacements, and custom MCC configurations

Ideal use cases

• Retrofit projects in legacy motor control centers where uptime and compatibility are critical
• OEM replacement scenarios that require exact form, fit, and electrical footprint
• Custom MCC configurations in industrial plants, warehouses, and large commercial facilities needing reliable motor control

Specifications at a glance

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 90 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 18"
• Poles: 3P
• Application: Industrial Motor Control / Retrofit / OEM Replacement

Practical considerations and best practices

When planning installation, verify that the new MCC bucket aligns with the existing Eaton-Westinghouse 11-300 infrastructure and rated electrical loads. This bucket is designed to support standard motor control workflows, so ensure your wiring, breakers, and feeders stay within the 90 A, 480 V three-phase specifications. For ongoing reliability, schedule routine inspections of connections and mounting points and perform electrical code-compliant commissioning after installation.

Whether you’re upgrading an aging MCC, performing OEM replacements, or configuring a custom solution for a demanding industrial application, this Breaker MCC Bucket from AmpState provides a precise fit, dependable performance, and the proven compatibility you need to keep your motor control center running smoothly.