Siemens - Marq 21 - Breaker MCC Bucket - 40 A, 600 V, 9" Height, 3 P | AmpState

Engineered for industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers precise 3-Pole protection at 40 A and 600 V within a compact 9-inch form factor. Designed specifically for the Siemens Marq 21 MCC lineup, this OEM replacement bucket is built to slot into your existing panel with minimal modification, making OEM replacements and retrofits straightforward and reliable.

Specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 40 A, 600 V, 3-Pole
• Bucket Height: 9"

Why this bucket matters

• OEM-grade fit and compatibility: Precisely matched to the Marq 21 MCC lineup, ensuring seamless alignment with existing bus bars, lugs, and mounting patterns.
• Reliability in demanding environments: Built to scale with industrial motor control demands, helping you maintain consistent protection for motor circuits.
• Downtime-focused get-ready replacement: Designed for OEM replacement and retrofit projects, enabling faster service turns and reduced downtime during maintenance.
• Authentic Siemens quality via AmpState: Sourced through AmpState, providing trusted access to genuine Siemens MCC components for long‑term panel integrity.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 motor control centers
• Retrofit projects to restore or upgrade aging MCC buckets
• Service strategy planning with ready-to-install, genuine parts to minimize downtime

Implementation tips

• Verify exact compatibility with your Marq 21 MCC model before installation to ensure correct mounting and electrical interfacing.
• Confirm the 3-Pole configuration matches your protection scheme and that the 40 A, 600 V rating aligns with the motor circuit requirements.
• Plan for a safe replacement workflow: power down the section, follow proper lockout/tagout procedures, and use the OEM mounting pattern to secure the bucket.

For teams seeking dependable, OEM-grade MCC components, the Siemens Marq 21 Breaker MCC Bucket—40 A, 600 V, 9" height, 3-Pole—delivers the exact fit and proven performance needed to keep critical motor control centers running smoothly. Available from AmpState, your source for Siemens MCC parts worldwide.