Eaton Westinghouse 11-300 250A 600V Breaker MCC Bucket 3P 42in

The Eaton - Westinghouse 11-300 Breaker MCC Bucket from AmpState is purpose-built for modern industrial power distribution and precise motor control. Designed to work with the 11-300 motor control center, this 250 A, 600 V, 3‑pole bucket delivers a reliable, retrofit-ready solution for upgrading, replacing, or customizing your MCC configuration. With a 42" vertical frame, it fits seamlessly into existing cabinet footprints while providing robust, dependable performance for demanding commercial and industrial environments.

Key advantages

• Exact compatibility with Eaton-Westinghouse 11-300 MCCs: engineered to align with the original bus, mounting points, and electrical interfaces for a straightforward, drop-in retrofit or OEM replacement.
• High-capacity, safe operation: rated for 250 A at 600 V (three-phase, 60 Hz), supporting a wide range of motor control and distribution needs without compromising protection or performance.
• Optimized footprint: a 42" vertical frame enables efficient vertical stacking and space utilization within industrial control rooms and switchgear layouts.
• Versatile for retrofits and customization: ideal for upgrading legacy MCCs, OEM replacements, or configuring bespoke MCC solutions that require proven, durable breaker buckets.
• Proven reliability for demanding environments: built to endure daily industrial use, with components selected to maintain performance across temperature and load variations.

Applications and use cases

• Industrial motor control centers undergoing modernization where existing 11-300 buckets are in service or require matching replacements.
• OEM replacement projects where maintaining exact form, fit, and electrical interfaces minimizes downtime and engineering effort.
• Custom MCC configurations in manufacturing plants, processing facilities, and commercial buildings that demand a precise 250 A, 600 V three-phase solution.
• Spare-part strategy for service contracts, ensuring rapid field replacement with components that integrate smoothly into current cabinets.

Specifications at a glance

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 250 A
• Voltage: 600 V (Three-phase, 60 Hz)
• Height: 42 inches
• Application: Industrial Motor Control / Retrofit / OEM Replacement

Why this bucket matters

In power distribution, alignment between components isn’t just about compatibility—it’s about uptime, safety, and operational efficiency. The 11-300 Breaker MCC Bucket offers a tightly matched solution that reduces installation time and minimizes the risk of misfit parts. By choosing a bucket designed for the exact 11-300 framework, you gain predictable electrical performance, streamlined maintenance, and a clear path for future upgrades without re-engineering your MCC layout.

Installation and practical tips

• Plan for compatibility: confirm that your facility uses the Eaton-Westinghouse 11-300 MCC architecture to ensure a seamless fit.
• Safety first: follow lockout/tagout procedures and power-down protocols before handling MCC components.
• Mechanical fit: verify mounting hole alignment and cabinet clearance for a secure installation within the 42" frame.
• Electrical checks: ensure wiring, bus connections, and protective devices are compatible with a 250 A, 600 V three-phase system.
• Maintenance planning: schedule periodic inspections of connections and mounting hardware to sustain long-term reliability.