Siemens - Marq 21 - Breaker MCC Bucket - 40 A, 600 V, 18" Height, 3 P | AmpState

Siemens Marq 21 Breaker MCC Bucket—40 A, 600 V, 3-Pole, 18 inches tall—engineered specifically for industrial motor control centers that demand dependable protection and streamlined maintenance. Designed to integrate seamlessly into Siemens Marq 21 MCC lineups, this bucket is ideal for OEM replacement and retrofit projects where performance and compatibility truly matter.

• Configuration: Breaker MCC Bucket, 3-Pole
• Electrical rating: 40 Amps, 600 Volts
• Physical dimensions: 18 inches tall
• Series: Siemens Marq 21
• Intended use: OEM replacement and retrofit in Marq 21 MCC systems

Why this bucket matters in your operation

Downtime is costly in any manufacturing or processing environment. This Marq 21 Breaker MCC Bucket is built to drop into existing Marq 21 installations with minimal disruption, preserving existing wiring paths and control logic while delivering a robust 40 A, 600 V protection stage for three-phase motor circuits. It supports reliable protection for motors, drives, and auxiliary equipment across conveyors, pumps, and handling systems.

Real-world use cases

• OEM replacement in aging Marq 21 MCCs to restore original protection and performance without a full panel redesign.
• Retrofit upgrade to accommodate new motor loads or expanded control circuits while maintaining the same MCC footprint.
• Spare part for maintenance inventories to reduce downtime during scheduled or unscheduled outages.

Compatibility, reliability, and sourcing

Built specifically for Siemens Marq 21 MCC configurations, this bucket ensures cohesive operation with other Marq 21 components and Siemens protection devices. AmpState supplies Siemens MCC components worldwide, providing accessible, dependable parts for critical maintenance and retrofit projects.

Practical installation tips

• Confirm the 18-inch bucket height fits your cabinet clearance and mounting space before ordering.
• Ensure proper three-pole alignment with existing bus and breakers to avoid mounting issues.
• Follow standard lockout/tagout procedures during replacement to ensure a safe, efficient swap.
• Store spare MCC buckets in a cool, dry environment to preserve contact surfaces and metalwork.

Choose the Siemens Marq 21 Breaker MCC Bucket for a purpose-built solution that keeps your motor control center running smoothly, reliably, and with predictable protection. A practical choice for OEMs, system integrators, and maintenance teams aiming for long-term MCC performance and easy maintenance planning.