Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 208 V, 30" Height, 3 P | AmpState

Siemens Marq 21 Breaker MCC Bucket delivers a purpose-built solution for demanding industrial motor control centers. Engineered specifically for the Marq 21 lineup, this 300 A, 208 V, 3-Pole bucket is designed to integrate seamlessly as an OEM replacement or retrofit option, helping you maintain consistent performance and minimize downtime in critical applications.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 300 A, 208 V, 3-Pole
• Bucket height: 30 inches
• Applications: Suitable for Siemens Marq 21 MCC lineups, OEM replacement, and retrofit projects

What makes this MCC bucket stand out

This bucket is crafted to align precisely with the Siemens Marq 21 Motor Control Center architecture, ensuring mechanical fit and electrical compatibility that generic substitutes can’t guarantee. The 300 A, 208 V, 3-Pole configuration matches the needs of mid- to high-capacity motor control applications, providing a reliable path for power distribution in industrial settings.

Why OEM replacement and retrofit matter

When upgrading or restoring an existing Marq 21 installation, using the official design as a direct replacement minimizes modification, reduces installation risk, and helps preserve the original performance characteristics of your MCC. The 30" bucket height is tailored to the Marq 21 footprint, allowing for straightforward integration with minimal field adjustments. For retrofit projects, this bucket enables upgrades to higher current capability within your established Siemens motor control ecosystem.

Ideal use cases

• OEM replacement: Swap in a certified Siemens MCC bucket for aging or worn components to restore original function and reliability.
• Retrofit projects: Upgrade legacy Marq 21 configurations to a 300 A, 208 V, 3-Pole setup without overhauling the entire MCC.
• New or expanded motor control centers: Field-installable bucket that fits standard Marq 21 frames for scalable distribution of three-phase power.
• Industrial facilities and manufacturing lines: Reliable motor control for conveyors, pumps, fans, and other heavy-duty loads that demand consistent performance.

Who should consider this product

• Original Equipment Manufacturers integrating Siemens Marq 21 systems into new equipment
• Maintenance teams responsible for upgrading or refurbishing existing MCCs
• Systems integrators performing retrofits in plants that rely on Siemens motor control architectures

Practical insights and setup tips

To maximize reliability, confirm that the new bucket matches the current and phase requirements of your line—this model is a 300 A, 208 V, 3-Pole unit designed for Marq 21 MCC configurations. Use reputable, compatible components and follow standard electrical safety practices during installation. AmpState notes that their supply of Siemens MCC components is worldwide, which can simplify sourcing and procurement for multinational facilities or projects requiring consistent, compatible parts across sites.

AmpState value for Siemens MCC components

AmpState provides high-quality Siemens MCC components worldwide, making it a trusted partner for OEM replacements and retrofits. By offering authentic Marq 21 buckets, AmpState helps you maintain system integrity, streamline maintenance, and support long-term performance in demanding industrial environments.

In summary, the Siemens Marq 21 Breaker MCC Bucket — 300 A, 208 V, 30" height, 3-Pole — is a purpose-built choice for OEM replacements and retrofit projects within the Marq 21 MCC family. It delivers precise compatibility, straightforward integration, and reliable performance for industrial motor control applications.