Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 10 A, 480 V, 15" Height, 3 P | AmpState

Engineered for industrial power distribution and precise motor control, the Eaton - Westinghouse 11-300 Breaker MCC Bucket is a purpose-built insert for 11-300 motor control centers. With a 10 A rating at 480 V and a compact 15" vertical frame, this 3-pole bucket delivers dependable protection and controlled power delivery where uptime matters most.

Designed for retrofit, OEM replacement, and custom MCC configurations, this breaker bucket fits neatly into established MCC footprints, enabling seamless upgrades and selective spare-part replacement without costly rewiring or enclosure changes.

Why this MCC bucket stands out

Exact compatibility with the Eaton Westinghouse 11-300 family ensures plug-in reliability and consistent interrupting performance. The 15" height is tuned for standard MCC racks, helping you maximize cabinet space while maintaining clearance for wiring and terminal access. The 10 A rating at 480 V is ideal for starting and running small-to-medium motors or for protecting control circuits in distribution panels.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 10 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 15"
• Application: Industrial motor control, Retrofit, OEM replacement

Who should consider this

Maintenance teams, electrical engineers, and facilities managers responsible for mid-size industrial lines or commercial power distribution will appreciate the straightforward replacement path, reduced downtime, and compatibility with existing MCC infrastructure. If you’re upgrading an aging MCC or stocking spare MCC components, this bucket provides a dependable, exact-fit option that keeps your control system aligned with your original design intent.

Practical tips and optimization

Tip: verify your MCC frame dimension and pole configuration before ordering to ensure a drop-in fit. This bucket is built for three-pole configurations in a 480 V, 60 Hz system, so confirm your bus arrangement and terminal wiring plan aligns with the 11-300 standard. When performing retrofits, plan for alignment with adjacent buckets to maintain consistent clearance and cable routing. Consider pairing this MCC bucket with compatible Eaton Westinghouse 11-300 components for a cohesive, reliable motor control center upgrade.