Siemens - Marq 21 - Breaker MCC Bucket - 20 A, 600 V, 12" Height, 3 P | AmpState

Meet the Siemens Marq 21 Breaker MCC Bucket — a purpose-built, plug-and-play solution for demanding industrial motor-control systems. Engineered to meet the exacting requirements of Siemens Marq 21 MCC setups, this 20 A, 600 V, 3-Pole breaker bucket is primed for OEM replacement and seamless retrofit projects, delivering reliable protection and streamlined maintenance for critical equipment.

Why this MCC bucket stands out

• Exact fit for Siemens Marq 21 MCC lineups — engineered to integrate smoothly with existing Marq 21 architectures, preserving control logic and protection schemes.
• 2-in-1 replacement and upgrade option — ideal for OEM replacements to minimize downtime and for retrofits that modernize aging switchgear without a full panel rebuild.
• Clear, trusted rating — 20 A, 600 V, 3-Pole configuration provides robust motor protection and dependable performance in demanding industrial environments.
• Compact, consistent form factor — 12" bucket height aligns with standard Marq 21 enclosures, ensuring straightforward installation and space planning.
• Global support from AmpState — AmpState supplies high-quality Siemens MCC components worldwide, helping plants maintain steady operations across locations.

Ideal use cases

• OEM replacements where a worn or failed MCC bucket needs exact compatibility with existing Marq 21 configurations.
• Retrofits to upgrade motor-control protection without redesigning the entire MCC assembly.
• New installations in systems built around Siemens Marq 21, where a reliable, market-tested 3-Pole breaker bucket is required.
• Maintenance downtime planning for plants that rely on predictable, readily sourced spare parts from a trusted supplier.

What problems this bucket solves

• Eliminates guesswork on compatibility by offering a dedicated Marq 21 MCC bucket with the right rating and pole count.
• Reduces downtime during replacements with a plug-and-play approach tailored to Siemens equipment.
• Maintains consistent protection profiles across the motor-control network, supporting reliable fault isolation and safe operation.

Specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 20 A, 600 V, 3-Pole
• Bucket Height: 12"

Practical guidance for installation and use

Before installation, verify that the Marq 21 MCC platform and enclosure match the bucket’s specifications to ensure a clean fit. This bucket is designed for OEM replacement and retrofit scenarios, so plan for straightforward removal of the existing MCC bucket and secure reattachment of the new unit to minimize system downtime. Keep the rest of the motor-control chain intact to preserve protective relays, interlocks, and control wiring integrity. For ongoing reliability, source from a trusted supplier with global coverage, like AmpState, to ensure component provenance and support are readily available across sites.

Who benefits most

• Plant engineers overseeing motor-control systems within manufacturing, processing, and automation environments.
• System integrators and OEMs responsible for replacement parts and retrofit projects in Siemens-based MCC architectures.
• Maintenance crews seeking dependable, widely supported components to minimize downtime and maintenance headaches.