Siemens - Marq 21 - Breaker MCC Bucket - 225 A, 208 V, 6" Height, 3 P | AmpState

The Siemens Marq 21 Breaker MCC Bucket delivers a purpose-built solution for industrial motor control centers that demand dependable, OEM-grade performance. Engineered to the exacting standards of the Marq 21 series, this 225 A, 208 V, 3-Pole bucket is ready to slot into compatible Siemens MCC cabinets, ensuring seamless operation and minimal downtime during replacements or retrofits.

Key specifications at a glance

• Brand and series: Siemens, Marq 21
• Configuration: Breaker MCC Bucket
• Current rating: 225 A
• Voltage: 208 V
• Poles: 3-Pole
• Bucket height: 6 inches

Why this bucket stands out

• Genuine OEM compatibility: Designed to align with the Siemens Marq 21 MCC lineup, this bucket preserves the exact mounting patterns, contact geometry, and interlock relationships of the original component, reducing fitment risk and ensuring reliable electrical performance.
• OEM replacement and retrofit ready: Whether you’re refreshing aging MCCs or upgrading capacity, this bucket plugs into existing Marq 21 enclosures without extensive modification, helping you shorten downtime and protect system integrity.
• Precisely rated for demanding environments: With a 225 A, 208 V, 3-Pole configuration, it supports robust motor control applications common in manufacturing, processing, and industrial facilities while maintaining compatibility with standard Siemens protective schemes.
• Compact, 6" bucket height: The 6-inch form factor is tailored to fit a wide range of Marq 21 cabinets, balancing space efficiency with current-carrying capability for compact control room layouts.
• Global trust, local availability: AmpState sources high-quality Siemens MCC components worldwide, providing reliable access to genuine parts to support maintenance schedules and long-term service plans.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 MCC installations to restore original performance and protection characteristics.
• Retrofit projects aiming to standardize on Siemens components while upgrading to a 225 A, 208 V, 3-Pole configuration.
• Spare-part strategy for maintenance programs, minimizing downtime when a bucket needs replacement during scheduled outages.

How this bucket helps you operate smarter

• Preserves system reliability by maintaining OEM design tolerances and fitment, which reduces the risk of wiring, mounting, or clearance issues during maintenance.
• Supports consistent protection coordination with upstream breakers and fuses, helping you maintain optimal protection for motors and feeders.
• Enables straightforward procurement and stocking for service teams that rely on Siemens-compatible MCC components across multiple sites.

Practical considerations

• Verify that your cabinet is compatible with the Marq 21 MCC bucket form factor and that the 225 A, 208 V, 3-Pole rating aligns with your protective device and motor load requirements.
• When replacing an MCC bucket, ensure power is isolated and replacement work is performed by qualified personnel following your site safety procedures.
• Keep in mind the 6" height to confirm enclosure clearance and mounting depth during planning and install.

Trust in a genuine Siemens component backed by AmpState’s global sourcing network for reliable availability and support. If you’re maintaining or upgrading an Marq 21 MCC system, this 225 A, 208 V, 3-Pole Breaker MCC Bucket offers a precise, durable, and field-ready replacement that helps you keep critical motor control operations running smoothly.