Siemens - Marq 21 - Breaker MCC Bucket - 40 A, 480 V, 15" Height, 3 P | AmpState

The Siemens Marq 21 Breaker MCC Bucket is a purpose-built, OEM-ready solution for industrial motor control centers that demand a precise 40 A, 480 V, 3‑pole configuration. Designed to integrate seamlessly with the Siemens Marq 21 MCC lineup, this bucket ensures a reliable, drop-in replacement for upgrades, repairs, or retrofits.

Why this bucket stands out

• Exact fit for Marq 21 MCC lineups: Engineered to match Siemens’ Marq 21 architecture, maintaining the same mounting footprint, interlocks, and bus connections for trouble-free installation.
• Robust electrical rating: 40 A, 480 V, 3‑pole configuration supports standard three-phase motor control, enabling safe and predictable switching, protection, and performance in industrial environments.
• Compact, standardized footprint: With a 15" bucket height, it aligns with common MCC enclosures, simplifying retrofits and spare-part stock strategies without requiring cabinet redesign.
• OEM-grade reliability: Built to Siemens specifications for long service life in demanding settings, helping minimize downtime and maintenance headaches.
• Global availability through AmpState: AmpState distributes high-quality Siemens MCC components worldwide, ensuring quick access to this bucket for projects, service visits, or outages.

Ideal use cases

• OEM replacement projects where Marq 21 equipment is in service and a precise, compatible breaker bucket is required.
• Retrofit upgrades to modernize motor control centers while preserving existing electrical architecture.
• Spare-part inventories for service teams handling Siemens Marq 21 MCC installations across plants and facilities.

What problems this bucket solves

• Eliminates fitment guesswork during replacements by delivering an exact Marq 21 match.
• Reduces downtime with straightforward installation that respects existing wiring and mounting schemes.
• Maintains reliable three-phase control and protection for motors in demanding industrial environments.

Practical tips for installation and use

• Verify enclosure compatibility with the 15" bucket height to ensure clean alignment with adjacent buckets and access doors.
• Coordinate with your maintenance schedule to minimize downtime—pre-check mounting holes, bus connections, and interlocks before replacement.
• Maintain an accurate spare-part kit including the Marq 21 MCC bucket to streamline future service calls and retrofit projects.

Designed from the ground up for Siemens Marq 21 applications, this Breaker MCC Bucket delivers a dependable, factory-aligned solution for industrial motor control centers. Trust AmpState to provide authentic Siemens MCC components with worldwide support, backed by a commitment to performance and longevity in demanding industrial environments.