Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 125 A, 600 V, 9" Height, 3 P | AmpState

Engineered for demanding industrial power distribution and motor control applications, the Eaton-Westinghouse 11-300 Breaker MCC Bucket delivers reliable protection for a three-phase 600 V system. With a 125 A rating and a compact 9" vertical frame, this MCC bucket is designed to integrate seamlessly into existing Eaton-Westinghouse 11-300 motor control centers, making upgrades, replacements, and custom configurations simpler and faster.

Key specifications at a glance

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 125 A
• Voltage: 600 V (Three-phase, 60 Hz)
• Height: 9"
• Poles: 3P
• Application: Industrial motor control, retrofit, OEM replacement

Why this MCC bucket stands out

• Precise compatibility: Specifically built for Eaton-Westinghouse 11-300 MCCs, ensuring reliable fit and alignment with existing bus work and interconnections.
• Compact yet capable: A 9" vertical frame provides a space-efficient solution without compromising the protection and control of motor circuits.
• Robust for retrofit and OEM workflows: Ideal for upgrading aging MCCs, replacing failed buckets, or creating custom MCC configurations that meet evolving plant needs.
• Three-phase, 60 Hz readiness: Ready for standard industrial power distribution, enabling smooth operation of motors, conveyors, pumps, fans, and compressors.

Ideal use cases

• Retrofit projects where upgrading to a proven 11-300 MCC bucket reduces downtime and ensures compatibility with existing infrastructure.
• OEM replacement scenarios to restore original performance and trip characteristics without redesigning control schemes.
• Custom MCC configurations for new lines or facilities that demand reliable motor control with standard 3P, 60 Hz operation.
• Industrial environments such as manufacturing lines, material handling, HVAC systems, and processing plants needing dependable motor protection at 600 V.

Installation, compatibility, and best practices

Designed to slide into Eaton-Westinghouse 11-300 frames, this bucket supports straightforward retrofit and replacement workflows. When integrating into an existing MCC, verify alignment with adjacent buckets and proper seating in the vertical frame to maintain secure connections and consistent electrical clearance. Use within its 125 A, 600 V rating to protect motor circuits and to support reliable switching and protection in three-phase systems.

Practical tips for maximum value

• Pair this bucket with matching MCC components to preserve consistent trip characteristics and protection coordination across the control center.
• Schedule inspections during planned maintenance to confirm that mounting screws, terminal connections, and mounting hardware remain tight and corrosion-free in harsh environments.
• Document the exact replacement part (11-300, 125 A, 600 V, 3P) in your asset registry to streamline future service and replacements.

Whether you’re upgrading an aging motor control center, replacing a failed MCC bucket, or engineering a custom distribution scheme, the Eaton-Westinghouse 11-300 Breaker MCC Bucket delivers reliable performance, precise fit, and flexible deployment for industrial power distribution and motor control needs.