Siemens - Marq 21 - Breaker MCC Bucket - 150 A, 240 V, 42" Height, 3 P | AmpState

The Siemens Marq 21 Breaker MCC Bucket delivers rugged, reliable motor control for demanding industrial environments. Engineered as part of the Marq 21 family, this 150 A, 240 V, 3-pole MCC bucket is crafted to slot directly into Siemens MCC lineups, making OEM replacement and retrofit projects smoother and faster with minimal downtime.

Key benefits that matter in the field

• Direct OEM compatibility — specifically designed for the Siemens Marq 21 MCC system, ensuring seamless integration with existing panels and control logic.
• Streamlined retrofits — a practical upgrade path for facilities looking to modernize or replace aging MCC components without a full panel redesign.
• Reliable three‑phase protection — 150 A, 240 V, 3‑pole configuration supports robust motor control for demanding loads while maintaining coordination with upstream protection schemes.
• Optimized enclosure fit — a 42" bucket height is tailored to suit standard Marq 21 configurations, helping you achieve consistent clearance, wiring routing, and maintenance access.

Specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 150 A, 240 V, 3‑Pole
• Bucket Height: 42 inches

Who benefits from this MCC bucket

• Manufacturing plants upgrading aging motor control centers
• OEMs integrating Siemens Marq 21 into new equipment and systems
• Industrial facilities performing targeted retrofits to improve reliability and fault clearance

Why this bucket stands out

Beyond the basic specs, this MCC bucket supports consistent performance in continuous duty environments. Its design prioritizes compatibility with the Marq 21 architecture, reducing wiring complexity and installation time. For maintenance teams, a standardized component like this encourages easier stock management and faster replacements during planned maintenance or unplanned outages.

Installation, compatibility, and practical tips

Use this MCC bucket as a drop‑in reinforcement for Siemens Marq 21 panels and as a reliable OEM replacement option. Confirm enclosure dimensions and mounting points match your existing rack, and plan wiring runs to align with the 3‑pole, 240 V configuration. When retrofitting, coordinate with your control schematic to ensure proper breaker coordination and trip settings. AmpState sources high‑quality Siemens MCC components worldwide, helping you maintain consistent performance across your electrical distribution and motor control systems.