Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 208 V, 48" Height, 3 P | AmpState

Engineered for demanding industrial motor control centers, the Siemens Marq 21 Breaker MCC Bucket delivers dependable protection and streamlined integration for 300 A, 208 V, 3-Pole configurations. Specifically designed to slot into Siemens Marq 21 MCC lineups, this bucket is the reliable OEM replacement and retrofit option you need to keep large-motor systems running with minimal downtime.

• Electrical rating: 300 A, 208 V, 3-Pole, built for robust motor control applications
• Configuration: Breaker MCC Bucket designed for Siemens Marq 21 series
• Bucket height: 48 inches, aligning with standard Marq 21 cabinet dimensions for straightforward installation
• OEM compatibility: Optimized for OEM replacement and retrofit projects within existing Marq 21 MCC lineups
• Global availability: Part of AmpState’s assortment of Siemens MCC components, backed by a global supply network

Where this bucket shines is in its ability to integrate cleanly with established motor control center layouts. It supports high-demand motors, pumps, conveyors, and other industrial loads that rely on reliable 3‑phase protection. The 48" bucket height ensures compatibility with standard Marq 21 cabinets, reducing installation complexity and aligning with existing bus connections and interlocks for a seamless retrofit or replacement.

Ideal for: manufacturing facilities, packaging lines, mining and mineral processing sites, and any operation that relies on centralized motor control for large equipment. If you’re upgrading an aging MCC or performing OEM replacement to extend the life of your Marq 21 system, this bucket offers a precise fit and dependable performance.

Key benefits over generic alternatives:

• Exact fit within Siemens Marq 21 MCC ecosystems, preserving electrical clearance, mounting, and interlock alignment
• Consistent 300 A, 208 V, 3-Pole protection ensures uniform motor startup and protection profiles
• Retrofit-ready design minimizes modifications to existing enclosures and wiring harnesses
• Global sourcing through AmpState gives you reliable availability and support for spare parts planning

Technical snapshot:

• Brand: Siemens
• Series: Marq 21
• Type: Breaker MCC Bucket
• Rating: 300 A, 208 V, 3-Pole
• Bucket height: 48"

For engineers and maintenance teams prioritizing uptime and compatibility, the Siemens Marq 21 Breaker MCC Bucket (300 A, 208 V, 48" 3-Pole) provides a targeted, reliable solution for OEM replacements and mid-life upgrades within existing Marq 21 motor control centers. Add this bucket to your cart to ensure you’ve got the exact component needed to keep your heavy-duty drives performing at their best.