Eaton Westinghouse 11-300 20A 600V 3P Breaker MCC Bucket 9in

Introducing the Eaton - Westinghouse 11-300 Breaker MCC Bucket — a purpose-built 3-pole insert designed for Eaton-Westinghouse 11-300 motor control centers. Engineered for reliability in demanding industrial and commercial environments, this bucket delivers precise protection for three-phase circuits at a robust 20 A and 600 V, with a compact 9" vertical frame that maximizes panel space without compromising performance.

Key compatibility and performance

• Fits: Eaton-Westinghouse 11-300 MCCs, engineered as a direct-fit Breaker MCC Bucket for OEM replacements and retrofits.
• Electrical spec: 20 A, 600 V (three-phase, 60 Hz) to safely protect motors, drives, and other motor control loads.
• Pole configuration: 3-pole design for balanced, three-phase protection and coordinated trip behavior.
• Form factor: 9" vertical frame optimized for compact MCC sections while preserving accessible wiring and easy maintenance.

Why this bucket stands out

This MCC bucket isn't a generic retrofit part. It's a purpose-built component that aligns precisely with the 11-300 ecosystem, delivering seamless integration, consistent trip characteristics, and minimal downtime during replacements. The 9" frame respects panel density and allows straightforward stacking within existing MCC configurations, making future upgrades or expansions more practical.

Ideal applications

• Industrial motor control centers requiring reliable 3-phase protection for high-demand equipment like pumps, conveyors, and compressors.
• OEM replacement within existing 11-300 installations to restore original performance without panel redesign.
• Retrofits and custom MCC configurations where modular, scalable protection is essential for evolving automation needs.

Practical benefits and outcomes

• Minimized downtime through a drop-in, OEM-compatible replacement that aligns with the original bus and mounting pattern.
• Consistent protection for critical motor loads at 600 V, with clear three-phase coordination.
• Modular design supports future MCC upgrades or reconfigurations without abandoning established infrastructure.
• Rugged construction tailored for harsh industrial environments, helping ensure long service life and predictable protection.

Installation and care tips

Before installation, confirm panel compatibility with the 11-300 MCC bucket, verify bus bar alignment, and use the correct mounting hardware. When replacing, treat the bucket as part of the original MCC section to preserve trip timing and coordination. After installation, perform a functional check to ensure proper operation within the motor control circuit and compliance with local electrical codes.

Availability: This Eaton - Westinghouse 11-300 Breaker MCC Bucket (20 A, 600 V, 3 P, 9" height) is positioned for dependable upgrades and replacements in industrial power distribution. Ideal for users seeking a certified, drop-in solution that maintains system integrity within existing 11-300 ecosystems.