Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 125 A, 600 V, 15" Height, 3 P | AmpState

Engineered for reliability in industrial and commercial power distribution, the Eaton - Westinghouse 11-300 Breaker MCC Bucket is a precise, OEM-compatible solution designed to slot seamlessly into 11-300 motor control centers. With a 125 A rating at 600 V and a compact 15" vertical frame, this breaker bucket delivers solid performance where uptime and dependable motor control matter most.

Core specifications

• Brand: Eaton – Westinghouse
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 125 A
• Voltage: 600 V (Three-phase, 60 Hz)
• Height: 15 inches
• Pole configuration: 3 P (three-phase)
• Application: Industrial motor control, retrofit, OEM replacement
• Series positioning: AmpState listing for ready availability

Why this bucket stands out

• OEM-fit for 11-300 MCCs: Precisely engineered to align with the original mounting, bus connections, and enclosure interfaces, minimizing modification and downtime.
• Compact vertical design: The 15" frame height enables efficient placement in compact MCCs while maintaining robust current handling and fault protection.
• Industrial-grade reliability: Built to sustain continuous operation in demanding environments, with consistent three-phase performance essential for motor control and distribution.
• Versatile retrofit capability: Ideal for refurbishing aging MCCs, accommodating OEM replacements, or enabling custom MCC configurations that meet evolving load profiles.

Ideal use cases

• Upgrading or maintaining existing Eaton - Westinghouse 11-300 motor control centers in manufacturing floors, processing plants, and distribution facilities.
• OEM replacement projects where exact fit and electrical characteristics are critical to preserve protection coordination and system timing.
• Custom MCC configurations where a reliable, standard-breaker bucket supports modular expansions, spare-part strategy, and streamlined maintenance planning.
• Retrofits that aim to minimize downtime by selecting a unit with proven compatibility to established bus stabs, mounting patterns, and enclosure footprints.

Installation and practical considerations

The Breaker MCC Bucket is designed for straightforward integration into compatible 11-300 systems. When incorporating this unit, ensure alignment with the existing frame dimensions and bus connections to preserve electrical integrity and protective coordination. Suitable for three-phase 600 V applications, it supports common industrial duty profiles such as conveyors, pumps, fans, and compressors where reliable motor control is essential.

Who this is for

• Maintenance managers and electrical engineers maintaining or upgrading existing MCCs in manufacturing, processing, and commercial facilities.
• Electrical contractors performing retrofits, OEM replacements, or custom MCC configurations for new or expanded load profiles.
• OEM integrators seeking a dependable, OEM-grade bucket to ensure long-term compatibility with Eaton - Westinghouse 11-300 systems.

With its precise fit, robust 125 A at 600 V capability, and 15" vertical frame, the Eaton - Westinghouse 11-300 Breaker MCC Bucket provides a reliable path to maintain consistent motor control and power distribution across demanding industrial environments.