Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 40 A, 600 V, 12" Height, 3 P | AmpState

The Eaton - Westinghouse 11-300 Breaker MCC Bucket is the precise, drop-in solution for upgrading or maintaining your motor control center infrastructure. Engineered to pair with Eaton-Westinghouse 11-300 MCC systems, this bucket delivers reliable protection and streamlined connectivity for mission-critical motor circuits in industrial and commercial environments.

Key specifications at a glance

• Amp rating: 40 A
• Voltage rating: 600 V (Three-phase, 60 Hz)
• Frame height: 12"
• Poles: 3P (three-pole)
• Application: Breaker MCC bucket designed for Industrial Motor Control, Retrofit projects, and OEM Replacement
• Model/Brand: Eaton - Westinghouse 11-300

Why this breaker MCC bucket stands out

• Retrofit-ready design: Specifically built to slot into existing 11-300 motor control centers with minimal modification, helping you reduce downtime during upgrades or repairs.
• OEM-compatible replacement part: Maintains electrical and mechanical interfaces that align with your current MCC architecture, preserving protection schemes and wiring layouts.
• Compact, practical form factor: The 12" vertical frame supports streamlined layout in crowded switchgear rooms while still delivering robust motor protection for demanding loads.
• Three-phase, high-demand readiness: Rated for 600 V three-phase service, it is suitable for a wide range of motors and feeders found in manufacturing, packaging, and facility operations.
• Versatile deployment: Ideal for new installations, modernization projects, spare-part inventory, or OEM configurations where a reliable, standard bucket is required.

Practical use cases and scenarios

• Replacing a failed or obsolete MCC bucket in an Eaton-Westinghouse 11-300 system to restore motor control without redesigning the entire MCC cabinet.
• Adding a dedicated 40 A, 600 V breaker bucket to support a new motor load in an existing line, enabling orderly, safe circuit protection within the MCC.
• OEM replication or customization projects where exact MCC geometry and electrical interfaces matter for seamless integration with existing components.
• Maintenance campaigns that require consistent, ready-to-install MCC buckets to minimize downtime during preventive maintenance or upgrades.

Who benefits most

• Electrical engineers and maintenance teams responsible for industrial power distribution and motor control networks.
• Facilities managers integrating or upgrading production lines, conveyors, pumps, fans, and HVAC drives.
• Original equipment manufacturers (OEMs) seeking reliable, compatible replacement parts to maintain production continuity.

Notes on compatibility and integration

This Breaker MCC Bucket is purpose-built for use with Eaton - Westinghouse 11-300 motor control centers. Its specifications—40 A, 600 V, 12" height, and 3P configuration—align with standard MCC practices, enabling straightforward retrofits, OEM replacements, and flexible MCC configurations without compromising safety or performance.

Incorporate this MCC bucket into your maintenance strategy to ensure consistent protection for critical motor circuits, reduce downtime during upgrades, and preserve the integrity of your existing power-distribution architecture.