Siemens Marq 21 Breaker MCC Bucket — a precise, plug-and-play solution for industrial motor control centers that demand reliability, compatibility, and streamlined maintenance. Engineered for the 30 A, 480 V, 3-Pole configuration, this MCC bucket integrates cleanly into Siemens Marq 21 lineups, delivering a dependable pathway for protection and control in demanding environments.
Key specifications at a glance
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Rating: 30 A, 480 V, 3-Pole
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Bucket height: 9 inches
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Configuration: Breaker MCC Bucket for Siemens Marq 21 series
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Intended use: OEM replacement and retrofit within Marq 21 MCC installations
Why this MCC bucket stands out
- Seamless compatibility with the Siemens Marq 21 family ensures electrical and mechanical alignment with existing cabinets, reducing installation time and punch-list headaches.
- Engineered specifically for OEM replacement scenarios, it minimizes downtime by ensuring the exact form factor and mounting points your system expects.
- The 9" bucket height and three-pole breaker configuration are tailored for robust motor control protection in demanding industrial settings, from manufacturing lines to large HVAC and processing facilities. Practical use cases and benefits
- OEM replacement: Swap an aging or failed MCC bucket in a Marq 21 cabinet without reconfiguring surrounding components, preserving your control architecture.
- Retrofit projects: Standardize protection across multiple MCC banks by deploying identical Marq 21 buckets, simplifying spare part inventories and maintenance routines.
- System uptime: Reliable Siemens build quality translates to fewer field failures, steady protection against motor faults, and quicker recovery after trips. Who benefits most
- Industrial facilities operating Siemens Marq 21 MCC systems that require a dependable, exact-fit breaker bucket.
- Maintenance teams pursuing efficient part replacement and consistent performance across upgraded or retrofitted MCC layouts.
- OEM partners integrating proven Siemens components into new builds or upgrades to assure long-term compatibility and serviceability. Why it matters in daily operation
- Consistent performance: The bucket’s design aligns with Marq 21 standards, ensuring predictable trip characteristics and protection for 30 A loads at 480 V.
- Simplified logistics: When you use the same Marq 21 MCC bucket family across sites, spare parts, tooling, and training stay consistent.
- Global support through AmpState: Access to widely distributed Siemens MCC components for reliable supply and service continuity. AmpState value proposition
AmpState supplies high‑quality Siemens MCC components worldwide, backing your deployment with authorized reliability, consistent sourcing, and expert support to keep your motor control infrastructure running smoothly. This description reflects the Siemens Marq 21 Breaker MCC Bucket’s role as a purpose-built, compatible, and maintainable solution for modern industrial environments. It translates the exacting specs of 30 A, 480 V, 3-Pole into tangible advantages for installation, maintenance, and long-term performance.