Siemens - Marq 21 - Breaker MCC Bucket - 400 A, 480 V, 48" Height, 3 P | AmpState

Meet the Siemens Marq 21 Breaker MCC Bucket — a purpose-built solution for demanding industrial motor control environments. This unit delivers a 400 A, 480 V, 3-Pole configuration precisely tuned for Siemens Marq 21 MCC lineups, making it an ideal OEM replacement or retrofit option when reliability and compatibility matter most.

• Exact fit for Marq 21 MCC systems: engineered to integrate with the Marq 21 architecture, ensuring proper alignment, bus connections, and mounting without adapters or guesswork.
• Robust electrical capacity: supports continuous operation at 400 A and 480 V across three phases, designed to handle heavy motor loads, pumps, conveyors, and other demanding equipment.
• Optimized physical design: a 48" bucket height balances space efficiency with service accessibility, keeping cabinet clearance and maintenance straightforward in busy control rooms.
• OEM replacement and retrofit-ready: built to substitute directly in existing installations, reducing downtime and eliminating compatibility worries during upgrades or maintenance cycles.
• Global reliability from AmpState: part of AmpState’s portfolio of Siemens MCC components, backed by worldwide sourcing, authentic parts, and service support.

Intended for facilities running large-scale motors and equipment at 400 A / 480 V, this MCC bucket provides a manufacturer-aligned path to maintain performance and safety. By choosing the Siemens Marq 21 Breaker MCC Bucket, you preserve intended control-system interfaces, protective features, and mechanical compatibility—essential for smooth operation and long-term reliability.

Practical considerations for planning your retrofit or replacement: ensure your current cabinet can accommodate a 48" tall bucket, and align wiring harnesses and protection schemes with the Marq 21 configuration. With AmpState supplying genuine Siemens components worldwide, you’ll have access to authentic parts and dependable support to keep your motor control applications running when it matters most.