Siemens - Marq 21 - Breaker MCC Bucket - 5 A, 600 V, 15" Height, 3 P | AmpState

Engineered for industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers precise protection in a compact 15-inch frame. Designed for a 5 A, 600 V, 3-pole configuration, this MCC bucket integrates seamlessly with Siemens Marq 21 motor control center lineups. It’s the reliable OEM replacement and retrofit solution you need to keep critical equipment running with minimal downtime.

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 5 A, 600 V, 3-Pole
• Bucket Height: 15"

Why this Marq 21 MCC bucket stands out

• Direct compatibility with the Siemens Marq 21 MCC lineup ensures plug‑and‑play replacement without reconfiguring buses or interlocks.
• 3‑pole design delivers balanced protection across all three phases, simplifying protection schemes for motors and pumps in demanding industrial setups.
• The 5 A rating is ideal for control circuits and smaller motor loads, providing reliable protection while preventing nuisance tripping in routine operation.
• 600 V compatibility supports common industrial power systems, reducing the need for multiple bucket variants across a facility.
• 15" bucket height aligns with standard Marq 21 enclosures, enabling straightforward installation and consistent cabinet field service.

Ideal use cases

• OEM replacement for aging or failed MCC buckets in new or existing Siemens Marq 21 installations.
• Retrofit projects to upgrade protection schemes within motor control centers, improving reliability and maintainability.
• Spare or service stock for facilities that rely on Siemens Marq 21 MCC configurations to protect motors and related loads.

Installation and practical tips

• Ensure the power is completely de-energized and locked out before handling the MCC bucket.
• Verify mechanical fitment and alignment with existing Marq 21 rails and interlocks to prevent misfeed or contact gaps.
• Follow Siemens installation guidelines for termination, torque specs, and wiring practices to maximize longevity and performance.
• Due to its specific compatibility, use this bucket as part of a planned OEM replacement strategy or retrofit program to maintain system integrity.

Why choose AmpState

AmpState supplies high‑quality Siemens MCC components worldwide, ensuring genuine parts, consistent availability, and dependable support for your industrial motor control needs.