Eaton Westinghouse 11-300 40 A Breaker MCC Bucket 240 V 3P

Designed specifically for Eaton - Westinghouse 11-300 motor control centers, this Breaker MCC Bucket delivers a dependable, space-efficient 40 A, 240 V three‑phase solution. Encased in a compact 12‑inch vertical frame, it’s built to support retrofit projects, OEM replacements, and custom MCC configurations—making it a smart choice for demanding industrial and commercial power distribution needs.

Key specifications at a glance

• Amp rating: 40 A
• Voltage: 240 V (Three-phase, 60 Hz)
• Height: 12 inches
• Poles: 3P (three-pole)
• Application: Industrial motor control, retrofit, OEM replacement
• Compatibility: Eaton - Westinghouse 11-300 MCC frames

What makes this MCC bucket unique

This breaker bucket is purpose-built for the 11-300 family, ensuring precise alignment with the original mounting patterns, wiring schemes, and contact arrangements. The 12" vertical frame strikes a balance between compact footprint and easy accessibility for maintenance, helping you maximize space in crowded electrical rooms. The three-pole configuration supports balanced, reliable three-phase motor control, contributing to cleaner startup sequences and steadier operation in demanding loads.

Smart use cases

• Modernize aging motor control centers with a trusted, OEM-compatible bucket that matches the 11-300 system.
• Swap in a compatible MCC bucket during scheduled maintenance to minimize downtime and maintain system integrity.
• Extend or reconfigure control centers to accommodate new motors or updated process requirements without overhauling the entire cabinet.

Installation and practical considerations

Engineered for seamless integration with existing Eaton - Westinghouse 11-300 MCC frames, this bucket supports straightforward retrofits and replacements. Before installation, verify three-phase, 60 Hz supply compatibility and confirm the 12-inch vertical frame aligns with your cabinet’s mounting provisions. Available from AmpState, it’s positioned to support quick procurement and reliable after-sales assistance, helping keep projects on track.