Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 208 V, 12" Height, 3 P | AmpState

Discover the Siemens Marq 21 Breaker MCC Bucket designed for dependable performance in industrial motor control centers. Built to meet the exacting needs of a 300 A, 208 V, 3‑pole configuration, this bucket integrates seamlessly with Siemens Marq 21 MCC lineups. It’s ideal for OEM replacement and retrofit projects, delivering a precise fit and consistent operation within established Marq 21 enclosures.

Why this MCC bucket matters

When upgrading or maintaining large motor systems, compatibility and reliability are non‑negotiable. This Siemens Marq 21 Breaker MCC Bucket provides a trusted path to restore capacity and protection in your MCC assemblies. With a 12" bucket height, it aligns with standard Marq 21 bays, enabling a smooth swap or retrofit without invasive enclosure modifications. The 300 A, 208 V, 3‑pole rating supports robust motor control for a wide range of industrial applications, from conveyors and pumps to processing lines.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 300 A, 208 V, 3-Pole
• Bucket Height: 12"
• Applications: OEM replacement and retrofit within Marq 21 MCC lineups
• Supplier: AmpState

Ideal use cases

Perfect for facilities updating aging MCC infrastructure or engineering new lines that require dependable Siemens components. This bucket is a practical choice for manufacturers, process industries, and facilities with demanding motor loads where downtime is costly. Use it to restore full current handling in existing Marq 21 configurations or to streamline retrofits that expand capacity and maintain system integrity.

Practical tips for installation and operation

• Confirm that your MCC enclosure is compatible with the 12" bucket height and 3‑pole configuration before installation.
• Coordinate with qualified electrical personnel to ensure proper de‑energization, lockout/tagout, and adherence to Siemens installation guidelines.
• Pair this bucket with corresponding Siemens Marq 21 components to maintain electrical characteristics, protection, and coordination within the drive system.
• Stock genuine Siemens replacement parts through AmpState to minimize downtime and ensure long‑term reliability.

Why AmpState and Siemens Marq 21 alignment

AmpState provides high‑quality Siemens MCC components worldwide, and this Breaker MCC Bucket is a straightforward, authentic fit for Marq 21 installations. Choosing genuine Siemens parts supports consistent performance, simplifies maintenance planning, and helps you keep critical motor control systems running smoothly.