Siemens - Marq 21 - Breaker MCC Bucket - 50 A, 208 V, 18" Height, 3 P | AmpState

Engineered for industrial motor control applications, the Siemens Marq 21 Breaker MCC Bucket delivers a precise, reliable solution for 50 A, 208 V, 3-Pole control needs. Built to integrate seamlessly into Siemens Marq 21 MCC lineups, this bucket is ideal for OEM replacement and retrofit projects that demand compatibility, performance, and straightforward maintenance.

• Ratings that match demanding installations: 50 A, 208 V, 3-Pole configuration ensures robust control for medium‑sized motors and equipment.
• Compact, industry-standard form factor: at 18" bucket height, it fits standard Marq 21 enclosures without modifying surrounding infrastructure.
• Designed for OEM replacement and retrofits: aligns with existing Siemens Marq 21 MCC systems, reducing downtime and integration risk.
• Partnered with AmpState for reliable supply: AmpState distributes Siemens MCC components worldwide, ensuring availability for maintenance and upgrades.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 50 A, 208 V, 3-Pole
• Bucket Height: 18"

Use cases and benefits

Whether you're refreshing an aging motor control center or configuring a new line, this MCC bucket provides reliable breaker control for motors, pumps, conveyors, fans, and other load centers. The 3‑pole breaker arrangement offers balanced protection and straightforward fault isolation, helping maintenance teams quickly identify issues without bypassing safety features.

Installation and compatibility

Designed specifically for Siemens Marq 21 MCC assemblies, this bucket supports straightforward OEM replacement and retrofit workflows. To minimize downtime, pair it with the corresponding Marq 21 components and use existing mounting patterns and connector interfaces. If your system already uses Marq 21 tooling and layouts, swapping in this bucket will fit with no custom modifications required.

Maintenance tips

Regularly inspect connections for tightness, clean any dust from accessible surfaces, and verify label integrity for quick identification during maintenance. When replacing, ensure the replacement matches the existing rating and pole configuration to preserve protective coordination and system performance.