Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 600 V, 36" Height, 3 P | AmpState

Engineered for industrial motor control centers, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 300 A, 600 V, 3-Pole configuration within a 36-inch tall enclosure. Designed to fit seamlessly in the Siemens Marq 21 MCC lineup, this bucket is ideal for OEM replacement and retrofit projects, helping you modernize or extend the life of legacy switchgear without compromising performance.

Key features

• Exact compatibility – specifically crafted for Siemens Marq 21 MCC panels to ensure a drop‑in fit and reliable electrical performance.
• Electrical rating – 300 A continuous current, 600 V, 3‑Pole configuration supports common three‑phase motor loads found in industrial environments.
• Physical specification – 36" tall bucket designed to integrate with standard Marq 21 frames, providing consistent clearances and mounting alignment.
• OEM replacement and retrofit ready – a practical choice for upgrading aging gear or refreshing retrofits without re-engineering your enclosure or buswork.
• Trusted sourcing – AmpState distributes Siemens MCC components worldwide, offering authentic parts with reliable supply chains and support.

Use cases and practical applications

Ideal for manufacturing floors, packaging lines, and process enclosures where reliable 3‑phase motor control is essential. Replace worn or incompatible MCC buckets in existing Marq 21 systems to restore performance, reduce downtime, and maintain consistent control of pumps, conveyors, fans, and machine tools. The 300 A/600 V rating makes it suitable for medium to high‑demand motor circuits, while the 3‑pole configuration supports balanced, three‑phase operation for smooth startup and reduced electrical stress.

Why this Marq 21 Breaker Bucket stands out

• Authentic Siemens specification ensures electrical characteristics, bus connection layouts, and mounting patterns align with the Marq 21 standard—no improvisation required during installation.
• Streamlined maintenance—OEM‑level design translates to predictable performance, easier serviceability, and fewer compatibility concerns during upgrades.
• Downtime minimization— standardizing on a compatible MCC bucket accelerates replacements and minimizes panel downtime during maintenance windows.
• Global availability— supported by AmpState’s worldwide network, so your operations won’t be left waiting for critical spare parts.

For plants looking to refresh their motor control infrastructure with an OEM‑grade solution, the Siemens Marq 21 Breaker MCC Bucket (300 A, 600 V, 3‑Pole, 36" height) delivers dependable performance, easy integration, and peace of mind that you’re sourcing authentic Siemens components designed to work together within the Marq 21 family.