Siemens - Marq 21 - Breaker MCC Bucket - 30 A, 600 V, 12" Height, 3 P | AmpState

Engineered for industrial motor control applications, the Siemens Marq 21 Breaker MCC Bucket delivers precise protection and reliable switching in a compact, OEM-friendly package. Designed to slot seamlessly into Siemens Marq 21 MCC lineups, this 3‑pole breaker bucket is the ideal choice for OEM replacements and retrofit projects that demand exact compatibility and dependable performance.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 30 A, 600 V
• Poles: 3-Pole
• Bucket Height: 12"

Why this MCC bucket matters

When equipment uptime and safety are non-negotiable, this Marq 21 breaker bucket delivers a precise fit for Siemens MCC panels, reducing installation guesswork and downtime. The 30 A, 600 V rating supports demanding motor loads while maintaining reliable protection for downstream equipment. Its 12" bucket height is tailored to the Marq 21 architecture, ensuring correct enclosure fit, clearances, and alignment with bus connections.

Ideal use cases

• OEM replacements in existing Siemens Marq 21 MCC installations, preserving control logic and wiring schematics.
• Retrofits that upgrade or modernize motor control centers without extensive panel redesign.
• New builds or plant upgrades where Siemens Marq 21 compatibility streamlines procurement and maintenance.

Practical benefits and outcomes

• Streamlined maintenance with a plug‑and‑play approach that minimizes modification needs during replacement.
• Consistent performance for motor control circuits, helping protect motors, starters, and connected loads from overloads and faults.
• Global availability through AmpState ensures ready access to essential MCC components for projects worldwide.

Installation and compatibility tips

Confirm that your panel follows the Siemens Marq 21 MCC design and that this bucket’s 12" height, 3-pole configuration, and 30 A, 600 V rating align with your motor control center’s specifications. Handle with standard electrical safety procedures and reference your Marq 21 wiring diagrams to ensure correct bus connection and alignment. For retrofit projects, verify that mounting points and interlocks match your existing frame to avoid compatibility gaps.

AmpState and Siemens compatibility

AmpState supplies high‑quality Siemens MCC components worldwide, facilitating reliable sourcing for replacements and retrofits. By choosing the Siemens Marq 21 Breaker MCC Bucket, you align with a trusted manufacturer’s specifications, ensuring consistent performance, easier maintenance, and long‑term support for your motor control infrastructure.