Siemens - Marq 21 - Breaker MCC Bucket - 30 A, 480 V, 15" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers precise performance in a 30 A, 480 V, 3‑Pole configuration. Crafted to integrate flawlessly within Siemens Marq 21 MCC lineups, this OEM replacement bucket is the smart choice for retrofits, rebuilds, and new installations that demand authentic Siemens reliability.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 30 A, 480 V, 3‑Pole
• Bucket Height: 15 inches

What makes this MCC bucket stand out

• OEM‑grade reliability: Built to match the original Siemens components in the Marq 21 series, ensuring compatibility and performance you can trust.
• True retrofit compatibility: Specifically designed for OEM replacement and retrofit applications within the Marq 21 family, minimizing downtime and installation guesswork.
• Consistent electrical protection: 30 A, 480 V, 3‑Pole configuration provides dependable motor control protection and coordination for standard industrial loads.
• Robust physical fit: A 15‑inch bucket height meets common enclosure standards, helping align with existing MCC layouts without extensive rework.
• Global availability: Sourced through AmpState, a trusted supplier of Siemens MCC components worldwide, with support for installation planning and after‑sales service.

Ideal use cases

• Upgrading aging motor control centers to maintain Siemens Marq 21 compatibility while preserving current protection schemes.
• OEM replacements during preventive maintenance or after a component failure within a Marq 21 MCC setup.
• Retrofits where a 30 A, 480 V, 3‑Pole breaker bucket is required to match existing motor circuits and drive configurations.

Why this matters for your operation

Choosing the Siemens Marq 21 Breaker MCC Bucket means preserving the integrity of your motor control center’s protection and control logic. With an exact‑fit design, you reduce the risk of misalignment, miswiring, or non‑compliant assemblies that can extend downtime. For facilities reliant on consistent uptime—manufacturing floors, processing plants, and large equipment rooms—this bucket supports predictable performance, easier maintenance, and a straightforward replacement path when service life reaches its end.

Why AmpState

AmpState supplies high‑quality Siemens MCC components worldwide, ensuring authentic parts, traceable provenance, and support for accurate installation planning. This bucket is backed by AmpState’s commitment to product reliability and availability, helping you source with confidence for maintenance and long‑term operations.

Practical tips for installation and care

• Verify the Marq 21 MCC enclosure and busbar configuration before installation to confirm full compatibility with the 3‑Pole, 480 V rating.
• Plan a brief downtime window for a controlled swap, aligning with standard maintenance schedules to minimize production impact.
• Document serial numbers and replacement dates for lifecycle tracking and future OEM replacements.