Siemens - Marq 21 - Breaker MCC Bucket - 100 A, 480 V, 30" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 100 A, 480 V, 3-Pole configuration in a robust 30-inch tall enclosure. Specifically designed to integrate with the Siemens Marq 21 MCC lineup, this MCC bucket is the ideal OEM replacement and retrofit solution for maintaining reliable performance in existing switchgear installations.

Why this MCC bucket stands out

From plant floors to heavy-duty manufacturing lines, the Marq 21 Breaker MCC Bucket is built to withstand ongoing motor loads and the electrical demands of modern facilities. Its 30" height and 3-Pole configuration make it a direct-fit component for compatible Siemens assemblies, reducing downtime and simplifying replacements without major cabinet alterations. This is equipment-grade reliability you can count on when uptime matters most.

Key specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 100 A, 480 V, 3-Pole
• Bucket Height: 30 inches
• Intended use: OEM replacement and retrofit in Siemens Marq 21 MCC lineups

Ideal for whom and how it helps

• Manufacturers and facilities with Siemens Marq 21 motor control centers seeking a reliable, drop-in replacement for worn or failed MCC buckets.
• Operators planning a retrofit to standardize across multiple panels, enabling consistent performance and easier spare-part management.
• Maintenance teams aiming to minimize downtime during compressor, pump, or conveyor drive maintenance by using a vetted, OEM-grade component.

Practical considerations and installation insights

Use this MCC bucket to maintain a clean, consistent motor control setup in 3-Pole, 480 V systems. Confirm compatibility with your specific Marq 21 cabinet configuration and ensure mounting provisions align with your panel design. While replacement can streamline maintenance, pair this bucket with the appropriate breakers and bus assemblies per Siemens specifications to preserve protective coordination and electrical integrity.

AmpState backs this Siemens MCC component with its global distribution network, making it easier to source, stock, and support the exact part you need for OEM replacements and retrofits. If you’re optimizing a plant-wide motor control strategy, this bucket aligns with established Siemens Marq 21 configurations and delivers predictable performance across cycles and duty cycles.