Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 208 V, 42" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers a precise, drop‑in solution for 300 A, 208 V, 3‑Pole applications. Designed to slot seamlessly into Siemens Marq 21 MCC lineups, this 42" tall bucket is ideal for OEM replacement and retrofit projects that demand reliability and predictable performance in harsh plant conditions.

Why this MCC bucket stands out

• Exact 300 A, 208 V, 3‑Pole rating provides consistent protection and control for demanding motor loads within Siemens Marq 21 systems.
• 42" bucket height ensures compatibility with standard Marq 21 frames and a consistent mounting interface across existing racks.
• Breaker MCC bucket configuration delivers integrated mounting, wiring access, and secure busbar alignment for fast, reliable replacements.
• OEM replacement and retrofit readiness designed to fit straight into current Marq 21 installations, minimizing downtime and preserving system performance.
• Rigorous construction for industrial environments built to withstand the vibrations, temperature swings, and bustling load profiles typical of manufacturing facilities.
• Part of the AmpState Siemens MCC ecosystem backed by global supply and service, ensuring availability for ongoing maintenance and upgrades.

Who benefits

• OEMs and panel builders seeking a precise, drop‑in MCC bucket for Siemens Marq 21 assemblies.
• Maintenance teams performing periodic replacements or retrofits to restore original performance in aging equipment.
• Industrial facilities aiming to standardize on a single compatible MCC component family for easier stocking and faster service.

Use cases in practice

• OEM replacement projects where maintaining exact Marq 21 compatibility is critical for warranty and performance.
• Retrofits to bring older motor control centers up to a consistent, 300 A, 208 V capacity within Siemens Marq 21 lineups.
• New builds or modernizations that require a reliable, standardized MCC bucket ready for plug‑in breakers and field wiring.

Specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 300 A, 208 V, 3‑Pole
• Bucket Height: 42 inches

Practical installation and compatibility notes

To ensure seamless integration, verify that the replacement bucket aligns with your existing Siemens Marq 21 enclosure’s busbar configuration and mounting interface. This MCC bucket is designed for OEM replacements and retrofits within the Marq 21 family, so compatibility with the current frame and control wiring layout is essential for a smooth, downtime‑friendly upgrade. If you’re refreshing multiple panels, this bucket provides a consistent, reliable upgrade path that preserves system performance and simplifies spare‑parts planning.

About AmpState: a trusted global supplier of high‑quality Siemens MCC components, delivering reliable parts for industrial power distribution and motor control across the world.