Siemens - Marq 21 - Breaker MCC Bucket - 150 A, 208 V, 12" Height, 3 P | AmpState

Engineered for industrial motor control applications, the Siemens Marq 21 Breaker MCC Bucket delivers precise, reliable protection in a compact 12" form factor. Rated for 150 A and 208 V across a 3-Pole configuration, this bucket is purpose-built to integrate seamlessly with Siemens Marq 21 MCC assemblies, making it an ideal choice for OEM replacement and retrofit projects.

Designed to drop directly into Marq 21 switchgear, this MCC bucket preserves the original wiring footprints, electrical characteristics, and mounting geometry your system relies on. Whether you’re upgrading aging equipment or standardizing protection across multiple lines, this 12" high bucket provides a straightforward, maintenance-friendly path to enhanced motor control reliability.

Key differentiators

• OEM-grade compatibility — specifically configured for Siemens Marq 21 MCC lineups, ensuring a precise fit and expected electrical performance.
• Industry-standard rating — 150 A, 208 V, 3-Pole configuration supports a wide range of industrial motors and driven loads.
• Direct retrofit capability — designed for OEM replacement and retrofit applications, reducing downtime and rework during upgrades.
• Compact, durable form — 12" bucket height fits standard MCC enclosures while standing up to demanding industrial environments.
• Trusted supply source — AmpState provides high-quality Siemens MCC components worldwide, backed by authentic design and compatibility assurances.

Use cases and practical applications

Ideal for manufacturing floors, process lines, and heavy-duty mechanical systems that rely on robust motor control protection. Use this bucket when you need a reliable, drop-in replacement for worn or obsolete Marq 21 MCC components, or when retrofitting to standardize protection across multiple machines. Typical scenarios include conveyors, pumps, fans, mixers, and other line-driven equipment where consistent protection and quick serviceability matter.

What to expect in practice

• Consistent protection coordination with existing Siemens protection schemes in Marq 21 MCC assemblies.
• Reduced maintenance downtime thanks to a plug-and-play retrofit approach.
• Clear alignment with current wiring diagrams and mounting hardware, minimizing installation risk.

For facilities prioritizing reliability, standardization, and lifecycle efficiency, this Siemens Marq 21 Breaker MCC Bucket from AmpState delivers a purpose-built solution that aligns with your industrial motor control strategy.