Siemens - Marq 21 - Breaker MCC Bucket - 50 A, 600 V, 18" Height, 3 P | AmpState

Engineered for demanding industrial motor control centers, the Siemens Marq 21 Breaker MCC Bucket (50 A, 600 V, 3-Pole) from AmpState is a purpose-built solution for OEM replacements and retrofits. This MCC bucket is designed to integrate seamlessly with Siemens Marq 21 MCC lineups, delivering reliable protection, precise control, and fast maintenance in harsh plant environments.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 50 A, 600 V
• Poles: 3-Pole
• Bucket Height: 18"

Why this matters for your operation

In industrial settings, the right MCC bucket is about more than just a fit — it’s about dependable performance, safe operation, and streamlined service. The Siemens Marq 21 Breaker MCC Bucket provides a robust 50 A current capacity and a 600 V rating, enabling reliable motor control across a range of processes. The 3-Pole configuration supports balanced three-phase systems, ensuring coordinated protection and startup behavior for your motors and drives. Designed for Siemens Marq 21 lineups, this bucket minimizes compatibility risk during OEM replacement or retrofit projects, reducing downtime and installation guesswork.

Ideal use cases

• OEM replacements for aging Marq 21 MCC assemblies to restore original performance
• Retrofit projects upgrading legacy panels to current Siemens Marq 21 configurations
• Spare MCC bucket for service contracts to shorten maintenance windows
• New installations within Siemens Marq 21-based motor control centers that require a 50 A, 600 V, 3-Pole breaker bucket

Fit, compatibility, and practical considerations

Specifically crafted for Siemens Marq 21 MCC lineups, this Breaker MCC Bucket aligns with standard footprint and mounting within that series. The 18" bucket height is designed to fit typical Siemens panel configurations, helping ensure a straightforward replacement that preserves existing clearances and wiring layouts. For best results, verify compatibility with your panel’s configuration and engage a qualified technician during installation or retrofit to maintain optimal safety and performance.

Why choose AmpState

AmpState sources high-quality Siemens MCC components with a global supply network, supporting OEMs, integrators, and end users worldwide. This Siemens Marq 21 Breaker MCC Bucket combines Siemens engineering excellence with AmpState’s reliable distribution, helping you achieve consistent uptime, straightforward maintenance, and long-term availability for critical motor control infrastructure.