Eaton Westinghouse 11-300 40 A Breaker MCC Bucket 208 V 3P

Engineered to integrate seamlessly with Eaton - Westinghouse 11-300 motor control centers, this Breaker MCC Bucket delivers a precise 40 A, 208 V three-phase capacity in a compact 9" vertical frame. Built for robust industrial power distribution and motor control, it stands out as the trusted choice for retrofit projects, OEM replacements, and custom MCC configurations where space, compatibility, and reliability matter.

Designed for exact fit and dependable performance

The 9" tall Breaker MCC Bucket occupies minimal panel real estate while maintaining the electrical integrity required for demanding environments. With a three-pole design, it supports standard 208 V, three-phase systems at 60 Hz—common in manufacturing floors, pumping stations, and HVAC applications. This unit is purpose-built to drop into Eaton - Westinghouse 11-300 MCCs without modification, helping you keep downtime to a minimum during upgrades or replacements.

Key specifications at a glance

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 40 A
• Voltage: 208 V (Three-phase, 60 Hz)
• Height: 9"
• Poles: 3-P
• Application: Industrial motor control, retrofit, OEM replacement

Ideal use cases

• Retrofit aging MCCs to restore performance with a precise, OEM-compatible bucket
• OEM replacement to maintain exact form, fit, and electrical interface
• Modular MCC configurations that require a reliable 3-pole bucket for motor control circuits
• Industrial power distribution in manufacturing lines, pumps, conveyors, and HVAC systems

Why this Breaker MCC Bucket stands out

• OEM-fit assurance: Specifically designed for the Eaton - Westinghouse 11-300 family, ensuring seamless mounting, alignment with bus bars, and unchanged electrical performance.
• Simplified upgrades: Retrofit projects benefit from a drop-in replacement that minimizes wiring changes and downtime.
• Compact, space-conscious design: A 9" vertical frame provides the footprint you need in tight MCC enclosures without sacrificing reliability.
• Structured for reliability: A dedicated 40 A, 208 V three-phase capacity supports standard motor control loads in a wide range of industrial settings.

Practical installation and operation tips

• Verify the 208 V three-phase supply and system frequency (60 Hz) before installation to ensure full compatibility.
• Ensure the bucket orientation and mounting align with the existing MCC frame to maintain proper bus alignment.
• Conduct standard safety checks—disconnect power, follow lockout/tagout procedures, and inspect for clean contacts and secure connections.
• Label the circuit clearly after installation to reflect the updated components for maintenance teams and future service calls.

Who benefits

Manufacturers, facility engineers, and maintenance teams responsible for industrial power distribution and motor control will appreciate the exact-fit, OEM-reliable solution this Breaker MCC Bucket provides. It’s ideal for facilities pursuing minimal downtime during upgrades while maintaining consistent electrical performance across their motor control centers.