Eaton Westinghouse 11-300 300A 600V Breaker MCC Bucket

The Eaton - Westinghouse 11-300 Breaker MCC Bucket is a purpose-built component designed to power reliable, scalable motor control in industrial and commercial settings. Sized for the 11-300 family, this 3-pole MCC bucket delivers robust performance in demanding 3-phase, 60 Hz power systems, up to 600 V.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 300 A
• Voltage: 600 V (Three-phase, 60 Hz)
• Height: 15"
• Poles: 3 P
• Applications: Industrial motor control, retrofit, OEM replacement

Why this MCC bucket matters

Designed for retrofit, OEM replacement, and custom MCC configurations, the 11-300 Breaker MCC Bucket simplifies upgrades and maintenance in existing motor control centers. Its 15-inch vertical frame is optimized for compact installations, making it easier to expand power distribution without overhauling your MCC housing. With a 300 A rating at 600 V, this bucket handles substantial motor loads and a range of industrial applications—from conveyor lines and pumps to compressors and fans.

Who benefits most

• Facility operators modernizing aging MCC infrastructure to support higher motor start-up demands
• OEM integrators seeking a reliable breaker bucket that aligns with Eaton Westinghouse 11-300 specifications
• Maintenance teams performing parts replacement to reduce downtime and ensure consistent power distribution

Use cases and practical benefits

Whether you’re retrofitting an existing motor control center or designing a custom MCC configuration, this bucket provides a predictable, factory-backed solution for three-phase power distribution. Expect durable operation under heavy-duty motor load profiles, straightforward integration with compatible 11-300 systems, and the peace of mind that comes from sourcing a genuine Eaton component.

What sets it apart

Unlike generic MCC replacements, this Breaker MCC Bucket is engineered specifically for the Eaton - Westinghouse 11-300 ecosystem, ensuring alignment with mounting patterns, electrical interfaces, and performance expectations of your existing MCC. The 3-pole configuration supports balanced three-phase distribution, and the 15-inch vertical frame is designed to fit compact layouts without sacrificing access for maintenance or future upgrades.

Practical tips for deployment

• Verify compatibility with your current 11-300 MCC cabinet to ensure a seamless retrofit or OEM replacement.
• Plan for three-phase 600 V operation by confirming your distribution network matches the specified voltage and frequency.
• Coordinate with qualified electrical personnel during installation to maintain safety standards and ensure correct alignment within the MCC frame.