Siemens - Marq 21 - Breaker MCC Bucket - 20 A, 480 V, 15" Height, 3 P | AmpState

Turnkey reliability meets rugged engineering with the Siemens Marq 21 Breaker MCC Bucket. This 20 A, 480 V, 3-Pole module is purpose-built to drop into Siemens Marq 21 motor control centers, delivering an OEM-grade solution for both original equipment manufacturing (OEM) replacements and retrofit projects. With a compact 15-inch bucket height, it fits seamlessly into standard Marq 21 enclosures while delivering consistent electrical performance in demanding industrial environments.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 20 A, 480 V, 3-Pole
• Bucket Height: 15 inches
• Application: Industrial motor control centers (MCCs)
• Compatibility: Siemens Marq 21 MCC lineups

What makes this bucket unique

The Marq 21 Breaker MCC Bucket is more than a drop-in part—it's a precise, purpose-built component designed to maintain electrical coordination within your MCC. By aligning exactly with Siemens Marq 21 specifications, it minimizes retrofit guesswork and helps keep your control system running smoothly. The 3-Pole configuration and 480 V rating are tailored for demanding motor loads found in manufacturing, pump and tone of HVAC applications, conveyors, and similar industrial equipment. The result is reliable performance, easier maintenance, and reduced downtime during replacements or upgrades.

Benefits at a glance

• OEM-grade fit: Exact Marq 21 compatibility for straightforward installation and dependable operation.
• Precise electrical alignment: 20 A, 480 V, 3-Pole rating matches typical industrial motor control requirements.
• Compact, ready-to-integrate: 15-inch bucket height fits standard Marq 21 frames without modification.
• Retrofit-ready: Ideal for upgrading legacy MCCs or replacing worn components with minimal system disruption.
• Global supply via AmpState: Access to genuine Siemens MCC components with technical support and reliable shipping.

Ideal use cases

• OEM replacements in new Marq 21 MCC installations to ensure exact compatibility from day one.
• Retrofits in existing industrial plants upgrading to Siemens Marq 21 architecture for improved reliability.
• Maintenance and spare-parts planning for manufacturing lines, water treatment facilities, packaging systems, and HVAC motor-control applications.

Installation and compatibility considerations

Designed to slot into Siemens Marq 21 MCC lineups, this breaker MCC bucket supports straightforward integration with corresponding contactors, overload relays, and bus-bar connections used in typical Marq 21 configurations. Before installation, verify that the enclosure frame and mounting provisions match the 15-inch bucket height and 3-Pole 480 V specification to ensure seamless operation and proper safety clearances.

Why choose AmpState

AmpState delivers genuine Siemens MCC components with a global reach. When you choose this Marq 21 Breaker MCC Bucket, you’re selecting:

• Authentic Siemens parts built to the exact Marq 21 standard
• Worldwide availability and reliable fulfillment for critical maintenance windows
• Access to knowledgeable support to assist with compatibility and installation questions

Equip your Siemens Marq 21 MCC with this precisely engineered breaker bucket and experience dependable, ready-to-install performance engineered for heavy-duty industrial environments.