Siemens - Marq 21 - Breaker MCC Bucket - 125 A, 240 V, 36" Height, 3 P | AmpState

Engineered for demanding motor-control environments, the Siemens Marq 21 Breaker MCC Bucket delivers dependable protection and precise control for 125 A, 240 V, 3-Pole configurations. Built to perform in high-use industrial settings, this MCC bucket is designed to integrate seamlessly with Siemens Marq 21 MCC lineups, making it an ideal choice for OEM replacements and retrofits.

Designed for compatibility and longevity, this Breaker MCC Bucket from the Marq 21 family is sized to fit standard Marq 21 enclosures, supporting straightforward field upgrades and replacements without a full system redesign. Its 36" bucket height aligns with common modular switchgear footprints, helping you maintain consistent cabinet internal layout and wiring discipline while preserving original protection and control schemas.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 125 A, 240 V, 3-Pole
• Bucket Height: 36"
• Application: OEM replacement and retrofit within Siemens Marq 21 MCC lineups
• Supplier: AmpState

Why this MCC bucket stands out

• : specifically engineered to match Siemens Marq 21 mounting and electrical interfaces, minimizing alignment issues during installation.
• Retrofit-ready: a practical choice for upgrading aging panels or upgrading to a higher 125 A, 240 V, 3-Pole configuration without extensive panel redesign.
• Industrial-grade reliability: built to handle continuous motor control duties, with construction and specifications aligned to Siemens engineering standards.
• Efficient maintenance path: designed for straightforward accessory pairing and quick swaps, reducing downtime during routine maintenance or urgent replacements.
• Global availability: part of AmpState’s curated portfolio of Siemens MCC components, ensuring genuine replacement parts with trusted support.

Ideal use cases

• OEM replacements in existing Siemens Marq 21 MCC installations where the 125 A, 240 V, 3-Pole bucket is the correct specification.
• Retrofits to upgrade older motor control centers to current ratings while preserving cabinet layout and wiring integrity.
• New installations that require a ready-to-install, Siemens-compatible MCC bucket within the Marq 21 family.

Practical installation and usage insights

To maximize performance and longevity, pair this MCC bucket with matching Siemens components and adhere to standard installation practices for Marq 21 systems. Verify cabinet clearance and wiring routes align with the 36" bucket height, and ensure torque and connection practices follow your project’s electrical standards. This approach delivers reliable current distribution, predictable trip behavior, and consistent protection across your motor-control network.

Choose AmpState for authentic Siemens MCC parts that align with your equipment’s lifecycle. This Marq 21 Breaker MCC Bucket embodies the balance of precise fit, retrofit flexibility, and durable performance that industrial facilities rely on to keep critical processes running smoothly.