Siemens - Marq 21 - Breaker MCC Bucket - 225 A, 600 V, 30" Height, 3 P | AmpState

Siemens Marq 21 Breaker MCC Bucket — 225 A, 600 V, 3-Pole, 30" Height

When your Siemens Marq 21 motor control center demands precise protection and a flawless fit, the Siemens Marq 21 Breaker MCC Bucket from AmpState delivers. This OEM-grade bucket is engineered for demanding industrial environments, providing a reliable 225 A current rating, 600 V maximum voltage, and a true 3-pole configuration. Sized at 30" in height, it integrates seamlessly into Siemens Marq 21 MCC lineups for both OEM replacements and retrofit projects.

Key specifications and what they mean for your system

• Current rating: 225 A — suitable for medium-to-large motor loads common in pumps, fans, conveyors, and compressors.
• Voltage rating: 600 V — designed for standard industrial three-phase distribution and motor control circuits.
• Configuration: 3-Pole — provides balanced protection and control across all three phases.
• Bucket height: 30" — matched to the physical footprint of the Marq 21 cabinet, ensuring proper stack alignment and clean assembly.
• OEM compatibility — a direct fit for Siemens Marq 21 MCC lineups, ideal for authentic replacement and reliable retrofits.
• Brand lineage — part of the Siemens Marq 21 family, backed by AmpState’s global supply of genuine MCC components.

Why this MCC bucket stands out

Unlike generic replacements, this bucket is designed to align with Siemens’ engineering tolerances, terminal layouts, and mounting interfaces in Marq 21 assemblies. That means faster commissioning, fewer field adjustments, and reduced downtime in critical production environments. The 225 A / 600 V ratings are selected to match common motor starter and protection schemes, helping you protect valuable equipment without over- or under-sizing protections.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 MCC cabinets to restore original protection and performance.
• Retrofit projects upgrading aging MCC components to modern, field-proven Siemens buckets.
• New builds requiring exact Marq 21 compatibility for consistent cabinet assembly, wiring, and control logic.
• Maintenance campaigns seeking a reliable, readily available spare part to minimize downtime.

Performance and reliability you can count on

With an OEM-grade design, this MCC bucket supports dependable motor protection and seamless compatibility with three-phase distribution. Its precise fit reduces installation risk, and its robust construction is suited for industrial environments where vibration, temperature fluctuations, and frequent switching are common. By choosing an authentic Siemens Marq 21 bucket, you’re aligning with long-term availability and part traceability that helps streamline service and future upgrades.

Installation and practical considerations

• Verify compatibility with your existing Siemens Marq 21 cabinet and bus layout before installation.
• Confirm the bucket’s 225 A and 600 V ratings align with your motor load and feeder conductors.
• Follow standard lockout/tagout procedures and manufacturer installation guidelines during removal and replacement.
• For best results, ensure mounting hardware, bus connections, and control wiring conform to Siemens specifications and cabinet clearances.

Why AmpState

AmpState delivers authentic Siemens MCC components to power industrial operations worldwide. By sourcing genuine Marq 21 buckets, you gain reliable availability, traceability, and support for OEM replacements and retrofits—helping you keep downtime to a minimum and performance to a maximum.