Siemens - Marq 21 - Breaker MCC Bucket - 25 A, 600 V, 9" Height, 3 P | AmpState

Introducing the Siemens Marq 21 Breaker MCC Bucket—your precise-fit solution for industrial motor control centers. This 25 A, 600 V, 3-Pole bucket is engineered to drop into Siemens Marq 21 MCC lineups, making OEM replacement and retrofit projects straightforward, with minimal downtime and maximal reliability.

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 25 A, 600 V
• Poles: 3-Pole
• Bucket Height: 9 inches

Applications and use cases

Engineered for modernizing and maintaining motor control systems, this MCC bucket is ideal for OEM replacements in aging Marq 21 installations and for retrofitting new protection into existing panels. It supports reliable motor startup and protection for a wide range of industrial loads, from pumps and fans to conveyors and automation drives. Whether you’re refurbishing a critical line in a manufacturing facility or upgrading a legacy control cabinet, this bucket integrates cleanly with your Marq 21 architecture.

Why it matters for your operation

• Direct compatibility: Designed specifically for Siemens Marq 21 MCC lineups, ensuring a seamless fit without modifications.
• Reliable protection: 25 A, 600 V rating provides solid fault protection for motor circuits and auxiliary loads.
• Efficient maintenance: 9" bucket height fits standard MCC rack dimensions, enabling quicker swaps and serviceability.
• OEM reliability: As an official Siemens component, it preserves system integrity, protection coordination, and documentation accuracy during replacements.
• Strategic sourcing: Available through AmpState, a trusted global supplier of Siemens MCC components, helping you maintain supply continuity for spares and retrofits.

Installation and practical considerations

When planning a retrofit or replacement, ensure your existing Marq 21 cabinet is compatible with a 3-Pole, 25 A, 600 V MCC bucket and that the mounting interface aligns with the 9" bucket height. This bucket is intended for OEM replacement workflows and straightforward field integration, minimizing commissioning time and preserving protective coordination with upstream devices.

What you gain

• Peace of mind from a purpose-built Siemens component designed for Marq 21 systems.
• Reduced downtime with a drop-in solution that mirrors original hardware specs and mounting footprint.
• Long-term reliability for critical motor loads, supported by AmpState’s global distribution network.

Choose the Siemens Marq 21 Breaker MCC Bucket for a proven, purpose-built upgrade path in your motor control centers—delivering precise fit, dependable protection, and streamlined maintenance for demanding industrial environments.