Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 150 A, 208 V, 15" Height, 3 P | AmpState

Engineered for durable, scalable motor control in demanding industrial environments, the Eaton - Westinghouse 11-300 Breaker MCC Bucket delivers dependable power distribution within Eaton-Westinghouse 11-300 motor control centers. With a 150 A rating at 208 V and a compact 15" vertical frame, this breaker bucket is built for straightforward retrofit, OEM replacement, and custom MCC configurations, minimizing downtime and keeping your system aligned with original design intent.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 150 A
• Voltage: 208 V (Three-phase, 60 Hz)
• Height: 15 inches
• Poles: 3-pole design

What makes this MCC bucket stand out

• Retrofit-ready design: The 15" vertical frame and compatible form factor are tailored for seamless integration into existing 11-300 MCC installations, reducing conversion time and disruption.
• OEM replacement compatibility: Engineered to match the original Eaton-Westinghouse architecture, ensuring alignment with bus work, mounting patterns, and control wiring.
• Flexible MCC configurations: Ideal for building or updating custom motor control layouts that balance motor startup requirements, protection, and overall system efficiency.
• Industrial reliability: Rated for mid-size industrial and commercial power distribution tasks, supporting consistent operation across demanding duty cycles.

Ideal use cases

• Replacing worn or obsolete breaker buckets in aging 11-300 MCCs to restore performance without a full panel replacement.
• Upgrading motor control capacity in manufacturing lines, conveyors, pumps, and processing equipment that run on 208 V three-phase power.
• Designing customized MCC configurations for new installations where existing Eaton-Westinghouse infrastructure is preferred for compatibility and maintenance continuity.

Compatibility and installation considerations

The 11-300 Breaker MCC Bucket is purpose-built to operate within Eaton-Westinghouse 11-300 motor control centers. When planning a retrofit or OEM replacement, verify:

• Voltage and amp requirements align with your load profile (208 V, 150 A).
• Physical fitment with the MCC frame, mounting pads, and bus connections matches the existing setup.
• Wiring, protection devices, and control circuits are compatible with the bucket’s 3-pole configuration.

Professional installation is recommended to ensure proper alignment, safe operation, and regulatory compliance. This bucket is designed to simplify updates to existing MCC ecosystems while preserving system behavior and protection schemes.

Practical tips for maximizing value

• Plan retrofit during a scheduled maintenance window to minimize downtime and coordinate with adjacent MCC sections.
• After installation, conduct a thorough verification of bus connections, control wiring, and protective relays to confirm correct operation.
• Use this bucket as a stepping-stone for future scalability—its 15" frame supports additional capacity as your motor control needs evolve.

Upgrade your Eaton-Westinghouse MCC with the 11-300 Breaker MCC Bucket to achieve reliable, configurable power distribution that meets current demand while preserving compatibility for future upgrades.