Siemens - Marq 21 - Breaker MCC Bucket - 150 A, 480 V, 36" Height, 3 P | AmpState

Engineered for demanding motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 150 A, 480 V, 3-Pole configuration designed specifically for Siemens Marq 21 MCC lineups. This isn’t a generic add-on—it’s a purpose-built bucket that slots into OEM installations and retrofit projects with exacting compatibility.

Designed for OEM replacement and retrofit applications, this 36" tall MCC bucket aligns with standard Marq 21 frames, ensuring consistent enclosure geometry and safe, reliable operation across your motor control center.

• Configuration: Breaker MCC Bucket, 3-Phase (3-Pole)
• Electrical rating: 150 A, 480 V
• Bucket height: 36 inches
• Brand/series: Siemens Marq 21
• Usage: OEM replacement and retrofit in Marq 21 MCC lineups

Why this matters for your operation:

• Exact fit for Siemens Marq 21 systems reduces installation guesswork and wiring misalignments, helping you minimize downtime during upgrades or repairs.
• 3-Pole, 480 V configuration is ideal for standard industrial motor loads, providing reliable switching and protection for large motors and feeders.
• 36" bucket height ensures proper stacking and clearance within your MCC, preserving consistent spacing and maintainability across the control room.
• OEM-grade replacement keeps electrical characteristics consistent with the rest of the Marq 21 fleet, preserving performance and trip curves.

Who benefits most:

• Maintenance and reliability engineers upgrading aging Marq 21 MCCs
• OEMs performing retrofit projects on existing equipment
• Industrial facilities requiring consistent, scalable motor control with proven Siemens durability

Why AmpState stands out for this product:

• Global access to high‑quality Siemens MCC components, backed by engineering-grade support and availability from AmpState.
• Part transparency and compatibility guidance to ensure you’re selecting the right bucket for your Marq 21 installation.

Practical tips for installation and care:

• Verify your Marq 21 frame compatibility before replacing a bucket—this unit is engineered for 150 A, 480 V, 3-Pole configurations within 36" tall buckets.
• Inspect surrounding MCC components for any signs of wear or misalignment during retrofit to prevent bus bar strain and ensure secure latching.
• Maintain documentation of your OEM replacement parts for future service events and regulatory inspections.