Siemens - Marq 21 - Breaker MCC Bucket - 20 A, 240 V, 9" Height, 3 P | AmpState

Engineered for demanding industrial motor control applications, the Siemens Marq 21 Breaker MCC Bucket delivers precise protection and reliable operation for three-phase systems. With a 20 A, 240 V, 3-Pole configuration, this MCC bucket is purpose-built to integrate smoothly into Siemens Marq 21 MCC lineups, making OEM replacements and retrofit projects efficient and straightforward.

• Brand and series: Siemens, Marq 21
• Configuration: Breaker MCC Bucket
• Electrical rating: 20 A, 240 V, 3-Pole
• Bucket height: 9 inches
• Compatibility: Designed for Siemens Marq 21 MCC panels and systems
• Applications: Ideal for OEM replacement and retrofit installations

This breaker bucket is a precise fit for Marq 21 motor control centers, delivering coordinated protection for three‑phase motors in industrial environments. The 3‑pole configuration ensures balanced switching across all phases, enabling clean interruption of power during faults and helping protect upstream devices and connected equipment. The 9" bucket height is chosen to align with standard MCC enclosure footprints, simplifying installation and reducing the downtime typically associated with control panel retrofits.

Who benefits most: maintenance teams and OEMs replacing aging MCC components, facilities undergoing capacity upgrades, and engineers designing or refurbishing motor control systems in manufacturing, processing, or heavy industry settings. This MCC bucket supports seamless upgrades to modern Marq 21 architectures, helping preserve existing wiring schematics and control logic while upgrading protection and reliability.

Why choose this Siemens MCC bucket over generic alternatives? It’s engineered to match the exact mechanical and electrical characteristics of the Marq 21 lineup, ensuring plug‑and‑play compatibility, consistent trip timing, and dependable performance under industrial loads. By sourcing through AmpState, you gain access to globally distributed Siemens MCC components with a focus on long‑term availability and support, helping you minimize downtime and streamline inventory management.

Practical tips for use and installation:

• Verify enclosure compatibility and measure the 9" bucket height to ensure a perfect fit within your existing Marq 21 frame.
• Plan OEM replacement projects around identical ratings (20 A, 240 V) to maintain protective coordination with other devices in your motor control scheme.
• Keep this breaker bucket in stock as a critical spare for preventative maintenance, reducing unplanned downtime when a retrofit or service is required.
• Consult your Marq 21 documentation for wiring diagrams and trip coordination guidelines to maximize safety and reliability after installation.

With Siemens’ proven reliability and AmpState’s global sourcing, this Breaker MCC Bucket stands out as a precise, durable choice for engineers and technicians focused on robust motor control protection and streamlined retrofit paths.