Eaton Westinghouse 11-300 100A 480V Breaker MCC Bucket

Meet the Eaton - Westinghouse 11-300 Breaker MCC Bucket, a purpose-built component for robust motor control centers. Engineered to fit the 11-300 family, this 3-pole bucket delivers dependable performance in demanding industrial environments. With a 100 A rating at 480 V (three-phase, 60 Hz), it provides reliable feeder protection and streamlined power distribution for commercial and industrial applications.

Key Benefits

• Precise compatibility: Specifically designed for Eaton - Westinghouse 11-300 MCCs, ensuring a seamless retrofit or OEM replacement experience.
• Optimal current and voltage rating: 100 A capacity at 480 V three-phase supports common industrial loads and motor feeders.
• Standardized frame height: 48" vertical frame aligns with typical MCC racks, simplifying installation and replacement in existing cabinets.
• Versatile application: Ideal for retrofit projects, OEM replacements, and custom MCC configurations that demand quick upgrades without overhauling the entire center.
• Rugged industrial construction: Built to withstand the rigors of busy electrical environments, helping minimize downtime and maintenance needs.

Technical Specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp Rating: 100 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 48"
• Application: Industrial Motor Control / Retrofit / OEM Replacement

Ideal Use Cases

Customize and upgrade your power distribution with confidence. This MCC bucket is a practical choice when you’re:

• Retrofitting aging MCCs to handle modern 480 V three-phase equipment without a full enclosure replacement.
• Replacing failed or outdated MCC components in 11-300 series centers to restore full control functionality.
• Configuring OEM replacement paths or tailoring MCC configurations to meet evolving motor control requirements.
• Expanding capacity in facilities that rely on centralized motor control for pumps, fans, conveyors, and compressors.

Why Choose This Breaker MCC Bucket

Choosing the 11-300 Breaker MCC Bucket from Eaton-Westinghouse means aligning with a proven, modular approach to motor control infrastructure. Its 3-pole design supports typical 480 V, three-phase drives, making it a sensible, future-ready choice for facilities planning incremental upgrades or comprehensive MCC modernization. The 48" vertical frame helps ensure a clean, space-conscious fit within standard MCC installations, reducing the complexity of integration and downtime.

Practical Tips for Installation and Maintenance

• Verify your MCC enclosure’s frame height and mounting pattern to confirm a precise fit with the 48" bucket.
• Pair with compatible circuit protection and wiring accessories to maintain consistent protection schemes across the MCC bank.
• During retrofits, plan for a controlled swap window to minimize disruption to ongoing operations and downstream equipment.