Siemens - Marq 21 - Breaker MCC Bucket - 250 A, 208 V, 24" Height, 3 P | AmpState

Meet the Siemens Marq 21 Breaker MCC Bucket—engineered for robust industrial motor control environments where reliability and precise current protection matter. Designed to integrate with the Siemens Marq 21 MCC lineup, this bucket delivers a clean, plug‑in replacement experience for OEM use and retrofit projects.

• Configuration: Breaker MCC Bucket
• Rating: 250 A, 208 V, 3‑Pole
• Bucket Height: 24 inches
• Series: Siemens Marq 21
• Applications: OEM replacement and retrofit for Marq 21 motor control centers

Why this bucket matters

• Precision compatibility—built to slot directly into Siemens Marq 21 MCC enclosures, ensuring alignment with bus connections and field wiring without extensive modification.
• High‑current protection—250 A rating supports demanding motor loads common in manufacturing, pumping, and processing facilities, delivering dependable protection for starters, drives, and downstream equipment.
• Three‑phase readiness—specifically tailored for 208 V, 3‑Pole configurations that power standard industrial motors, reducing the need for adapters or workarounds.
• Compact, 24" footprint—designed to fit standard MCC column layouts while maximizing space for wiring, terminations, and maintenance access.
• OEM‑grade durability—constructed to meet Siemens’ rigorous standards, giving you a lifecycle advantage in retrofit programs and new builds alike.

Ideal use cases

• OEM replacement in legacy or rebuilt Marq 21 MCC installations to restore original performance and safety ratings.
• Retrofit projects where upgrading to a 250 A, 208 V, 3‑Pole MCC bucket is needed to support larger motors or expanded load profiles.
• Spare parts planning for service fleets that maintain Siemens Marq 21 equipment across multiple facilities.

Practical considerations

• Ensure your enclosure space and mounting supports align with the 24" bucket height for seamless integration.
• Verify conductor sizing and protection coordination when upgrading to this bucket to maintain proper selective coordination and shutdown behavior.
• Consult your electrical drawings or OEM manuals to confirm compatible bus bar dimensions and mounting hardware for a smooth replacement.

AmpState stands behind Siemens MCC components with global availability and reliable sourcing, helping maintenance teams and OEMs keep critical motor control systems in operation. If your application calls for a dependable, OEM‑compliant Breaker MCC Bucket that fits the Siemens Marq 21 family, this 250 A, 208 V, 3‑Pole option is designed to deliver consistent performance, straightforward installation, and long‑term serviceability in demanding industrial environments.