Siemens - Marq 21 - Breaker MCC Bucket - 75 A, 480 V, 12" Height, 3 P | AmpState

Meet the Siemens Marq 21 Breaker MCC Bucket — a purpose-built solution for demanding industrial motor control applications. Engineered to operate at 75 A, 480 V, with a precise 3-Pole configuration, this MCC bucket is designed to integrate seamlessly into Siemens Marq 21 MCC lineups. When OEM replacement or retrofit is on the agenda, this bucket helps you achieve reliable performance with minimal downtime, backed by AmpState’s global supply network of quality Siemens MCC components.

Key differentiators

• Exact compatibility with Siemens Marq 21 MCC enclosures — engineered to fit the Marq 21 family for a straightforward swap.
• Precise electrical rating — 75 A, 480 V, 3-Pole configuration tailored for common motor control loads.
• Compact, reliable form factor — 12" bucket height designed to integrate cleanly into standard MCC frames without crowding adjacent components.
• OEM replacement and retrofit-ready — ideal for upgrading aging systems or performing service replacements with confidence.
• Industrial-grade continuity — built to sustain demanding environments where consistent motor control protection matters.
• AmpState-backed availability — sourced through AmpState’s global network to support projects of any scale.

Ideal use cases

• New installations in manufacturing facilities that require robust motor control protection at 75 A and 480 V.
• OEM replacement projects where preserving a Siemens Marq 21 architecture is essential.
• Retrofit campaigns to modernize existing Marq 21 MCC lineups without extensive cabinet redesign.
• Service fleets stocking reliable spare buckets to minimize downtime during maintenance windows.

Technical specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 75 A, 480 V, 3-Pole
• Bucket Height: 12 inches
• Application: Designed for use within Siemens Marq 21 MCC lineups

Installation and compatibility notes

This bucket is tailored for compatibility with Siemens Marq 21 MCC systems, enabling straightforward OEM replacement and retrofit workflows. When planning upgrades or replacements, verify the ladder of components in your cabinet to ensure a clean, efficient swap that preserves control logic, wiring schemes, and protection schemes already in use. With the right alignment, this MCC bucket supports rapid turnover in commissioning and maintenance cycles, keeping motor-driven processes online with minimal disruption.

Why choose AmpState

AmpState delivers high-quality Siemens MCC components with a global footprint, supporting projects from single-site updates to multinational deployments. By selecting this Marq 21 Breaker MCC Bucket, you’re choosing a component designed to align with Siemens standards and your long-term maintenance strategy—delivering dependable performance where it matters most.