Siemens - Marq 21 - Breaker MCC Bucket - 400 A, 480 V, 36" Height, 3 P | AmpState

Engineered for demanding industrial motor control centers, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 400 A, 480 V, 3-Pole configuration designed to integrate seamlessly into Siemens Marq 21 MCC lineups. This isn’t a generic add-on—it's a purpose-built component that aligns with Siemens’ standards for reliability, safety, and performance in heavy-duty applications.

Key specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 400 A, 480 V, 3-Pole
• Bucket Height: 36"
• Target: OEM replacement and retrofit for Marq 21 MCC systems

Why this Marq 21 Breaker MCC Bucket stands out

• Designed specifically for the Siemens Marq 21 MCC lineup, ensuring exact fit, electrical compatibility, and seamless integration with existing bus, wiring, and enclosure layouts.
• OEM-grade construction that supports reliable performance in industrial environments, reducing retrofit risk and downtime during replacements.
• 36" bucket height aligns with standard Marq 21 configurations, making upgrades and replacements straightforward within established architectures.
• Backed by AmpState’s global network, providing confidence in supply stability and availability for maintenance and long-term support.

Ideal use cases

• OEM replacements in aging or underperforming motor control centers that require the Siemens Marq 21 400 A, 480 V, 3-Pole bucket for full compatibility.
• Retrofit projects upgrading existing MCCs to maintain consistent performance with Siemens Marq 21 standards.
• New installations in facilities that standardize on Siemens Marq 21 components for uniformity in control strategy and maintenance procedures.

Practical considerations and installation tips

• Confirm enclosure compatibility with a 36" bucket height to ensure proper fitment within your Marq 21 chassis.
• Verify the system voltage and current requirements (480 V, 400 A) match your motor load profile before installation.
• Engage a qualified electrical professional for installation to maintain safety, code compliance, and warranty integrity.
• Plan for ongoing support with AmpState to ensure part availability and timely replacements as your facility evolves.

With the Siemens Marq 21 Breaker MCC Bucket, you gain a purpose-built solution that respects your existing Marq 21 infrastructure while delivering dependable performance for demanding industrial applications. This is the reliability you want when downtime isn’t an option—and the compatibility you need to keep your motor control center running smoothly for years to come.