Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 300 A, 480 V, 15" Height, 3 P | AmpState

Eaton - Westinghouse 11-300 Breaker MCC Bucket

Engineered to integrate seamlessly with Eaton - Westinghouse 11-300 motor control centers, this Breaker MCC Bucket is built to power demanding industrial environments with reliability and precision. With a 300 A rating at 480 V, it delivers robust three-phase power distribution for heavy motor control applications while fitting a compact 15" vertical frame. Its 3-pole configuration is ideal for standard 480 V three-phase systems, ensuring consistent protection and control for your critical loads.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 300 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 15"
• Poles: 3 P
• Application: Industrial motor control, retrofit, OEM replacement

Why this bucket stands out

This MCC bucket is purpose-built for retrofit, OEM replacement, and custom MCC configurations. Its compatibility with the 11-300 family means you can restore or upgrade your motor control center without extensive reengineering. By choosing a bucket designed specifically for Eaton - Westinghouse 11-300 systems, you gain structural alignment, electrical matching, and streamlined installation that minimizes downtime and risk.

Use cases and practical applications

• Upgrade aging MCCs to modern 300 A, 480 V capability without overhauling the entire cabinet.
• Replace a failed or outdated bucket with a purpose-made unit that preserves original performance characteristics.
• Configure new or expanded motor control layouts for conveyors, pumps, fans, and industrial automation lines.
• Maintain continuous operations by having a compatible, ready-to-install bucket on hand for rapid swaps.

What problems it solves

• Eliminates compatibility guesswork when upgrading 11-300 MCCs by providing a purpose-built bucket with exact form, fit, and electrical interface.
• Reduces downtime during replacement or reconfiguration by enabling straightforward, quick-installation with preserved protective relay and breaker coordination.
• Supports high-load motor control environments where reliable 3-phase, 480 V distribution is essential for performance and safety.

Tips for installation and best practices

Before installation, verify the bucket’s alignment with your existing 11-300 basemounts and confirm three-phase 480 V supply compatibility. Follow standard safety procedures for de-energizing equipment and use proper torque and connection practices as per your MCC’s documentation. Consider stocking a spare bucket like this one to minimize downtime during equipment modernization or expansion projects.

Why choose AmpState for this component

AmpState delivers authentic Eaton - Westinghouse components designed for dependable operation in demanding industrial environments. This 11-300 Breaker MCC Bucket is a purpose-built solution for customers who value precise compatibility, straightforward retrofit capability, and durable motor control performance.