Siemens - Marq 21 - Breaker MCC Bucket - 75 A, 240 V, 9" Height, 3 P | AmpState

The Siemens Marq 21 Breaker MCC Bucket delivers precise, dependable protection for industrial motor control centers. Engineered for a 75 A, 240 V, 3-Pole configuration, this 9" tall bucket is built to integrate seamlessly with Siemens Marq 21 MCC lineups, providing reliable performance where it matters most in demanding environments.

Designed specifically for OEM replacement and retrofit projects, this MCC bucket ensures a clean, plug‑and‑play fit with your existing Marq 21 assemblies. Its compact 9" height helps maintain enclosure footprint while preserving dependable protection and coordination with other components in the control center.

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 75 A, 240 V, 3-Pole
• Bucket Height: 9"

Why choose this MCC bucket? It’s a genuine Siemens component designed to maintain consistent electrical characteristics and fit precisely within your Marq 21 system. By using an OEM replacement, you reduce commissioning risk, simplify maintenance, and extend the life of your existing motor control center without compromising safety or performance.

Who should consider this part? Maintenance and engineering teams working on OEM replacements for aging Marq 21 installations, system integrators performing retrofits to upgrade protection schemes, and OEMs looking to standardize on a proven 3‑pole, 75 A, 240 V solution within the Marq 21 family.

AmpState backs this part with global access to Siemens MCC components, ensuring authentic parts availability and reliable fulfillment for projects worldwide.

• OEM replacement in a Siemens Marq 21 MCC setup to restore original protective coordination after component wear or failure.
• Use case 2: Retrofit projects upgrading control centers while preserving existing architecture and interfaces.
• Use case 3: New installations that require a standardized 75 A, 240 V, 3-Pole breaker MCC bucket within the Marq 21 family.

Practical tips for installation and compatibility: verify your enclosure’s Marq 21 footprint and mounting alignment, confirm the 75 A, 240 V, 3-Pole rating matches your motor load and protection strategy, and check that the bus interface and mounting pattern align with your existing MCC components to ensure a smooth retrofit or replacement process.