Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 125 A, 600 V, 18" Height, 3 P | AmpState

Engineered for reliability in demanding industrial environments, the Eaton - Westinghouse 11-300 Breaker MCC Bucket delivers a precise 125 A, 600 V three‑phase solution for motor control centers. With an 18" vertical frame, this unit is designed to slot directly into Eaton‑Westinghouse 11-300 MCCs, making retrofit, OEM replacement, and customization straightforward and efficient. Built to stand up to continuous distribution and motor control duty, it helps maintain consistent performance across your MCC infrastructure.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 125 A
• Voltage: 600 V (Three‑phase, 60 Hz)
• Height: 18"
• Poles: 3P
• Applications: Industrial Motor Control / Retrofit / OEM Replacement

Ideal applications

• Retrofit upgrades for aging or legacy MCCs within manufacturing facilities and power distribution corridors.
• OEM replacement scenarios where exact 11-300 compatibility ensures seamless integration and preserved electrical characteristics.
• Custom MCC configurations requiring a reliable, standard 125 A, 600 V breaker bucket to match existing system design.

Why this MCC bucket stands out

Unlike generic MCC components, this bucket is purpose‑built for the Eaton-Westinghouse 11‑300 family, guaranteeing exact mounting patterns and electrical interfaces. The 18" vertical frame fits neatly within standard 11‑300 enclosures, reducing alignment issues and enabling faster swaps during maintenance or expansion. Its 125 A rating at 600 V supports a wide range of motor control loads common in industrial settings, helping you preserve system integrity and reliability without over‑ or under‑specifying components.

Practical considerations and tips

• Plan replacements with matching 11‑300 buckets to minimize compatibility concerns and downtime during maintenance windows.
• Keep a small inventory of spare MCC buckets for rapid OEM replacement and fleet standardization across multiple lines or plants.
• When integrating with existing power distribution layouts, verify that the 18" height and 3P, 60 Hz specifications align with your enclosure and busbar arrangements to ensure a smooth installation.