Siemens - Marq 21 - Breaker MCC Bucket - 10 A, 240 V, 15" Height, 3 P | AmpState

Introducing the Siemens Marq 21 Breaker MCC Bucket — a purpose-built solution for industrial motor control centers that demand reliable protection and seamless integration. Engineered to work within Siemens Marq 21 MCC lineups, this 3‑pole, 10 A, 240 V bucket is ideal for OEM replacement and retrofit projects, delivering precise compatibility without the guesswork.

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 10 A, 240 V, 3-Pole
• Bucket Height: 15"
• Applications: Designed for Siemens Marq 21 MCC systems; suitable for OEM replacement and retrofit

Why this bucket matters in your motor control setup

Three-phase motors require reliable, matched protection to prevent costly downtime. This breaker MCC bucket is tuned for the Marq 21 platform, ensuring correct alignment with associated bus bars, fusing, and control wiring. With a 10 A rating, it protects smaller to mid-size motors and loads in demanding environments, while delivering precise current control and safe disconnection when faults occur.

Key use cases

• OEM replacement in aging Marq 21 installations to restore original performance and reliability
• Retrofit projects to modernize motor control centers without a full-system rewrite
• Spare-part stock for maintenance programs to minimize downtime during service windows
• New equipment setups that require Siemens-endorsed components for warranty and compatibility

What sets it apart from generic MCC buckets

• Exact fit for Marq 21: Built to slide into Siemens MCC frames with proper mounting, bus connection, and control wiring alignment, reducing installation time and risk of misfits.
• 3-Pole protection: Optimized for balanced three-phase circuits, ensuring consistent fault clearing and motor protection across all phases.
• Compact, standard height: A 15" bucket height fits common industrial rack systems, enabling straightforward integration into existing enclosures.
• OEM-grade reliability: Part of the Siemens Marq 21 ecosystem, designed to maintain system reliability and OEM specifications during replacements and upgrades.

Practical notes and expert tips

When planning a retrofit or replacement, verify the compatibility of your Marq 21 MCC frame and the breaker bucket series to ensure seamless integration. Handle the bucket with care to preserve terminal integrity, and pair it with the correct protective devices and control wiring according to Siemens guidelines. For global deployment, AmpState sources Siemens MCC components worldwide, simplifying procurement and ensuring consistent supply for maintenance programs.