Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 208 V, 18" Height, 3 P | AmpState

Meet the Siemens Marq 21 Breaker MCC Bucket — a purpose-built solution for demanding industrial motor control environments. Engineered to support a 300 A, 208 V, 3-Pole configuration, this MCC bucket fits directly into Siemens Marq 21 panels, making it ideal for OEM replacement and retrofit projects. When uptime matters, this bucket delivers reliable, plug‑and‑play compatibility that keeps your electrical system running smoothly.

What sets it apart

Designed specifically for the Siemens Marq 21 MCC lineup, this breaker MCC bucket provides precise alignment, electrical continuity, and mechanical compatibility that generic replacements can’t guarantee. Its 18" bucket height is tailored to the Marq 21 footprint, ensuring a clean fit inside existing enclosures without the need for extensive panel modification. By choosing a genuine Siemens MCC bucket from AmpState, you secure performance parity with your original equipment and minimize integration risk during upgrades or repairs.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 300 A, 208 V, 3-Pole
• Bucket Height: 18"

Why it’s the right choice for your operation

• OEM-grade compatibility: Engineered to align perfectly with Marq 21 MCC panels, ensuring reliable electrical contact and consistent performance.
• Streamlined maintenance and replacements: An exact fit reduces downtime during replacements, making spare parts management simpler and faster.
• Retrofit-ready: Ideal for upgrading aging MCC systems to current Siemens standards without a full panel overhaul.
• Industrial-grade durability: Built to withstand the rigors of continuous motor control environments, delivering consistent operation in demanding facilities.
• Global availability: Sold by AmpState, a trusted supplier of Siemens MCC components for projects worldwide.

Ideal use cases

• OEM replacement in existing manufacturing lines that use Siemens Marq 21 MCC panels, preserving original design intent.
• Retrofits where higher reliability or compatibility with 300 A, 208 V, 3-Pole configurations is required.
• New installations that adopt Siemens Marq 21 MCC architecture and require a trusted, matched MCC bucket solution.

Installation and best-practice tips

• Verify panel compatibility with the Marq 21 MCC bucket before installation to ensure seamless electrical and mechanical fit.
• Handle with care to preserve terminal integrity and prevent damage to bus connections during replacement.
• Keep a spare bucket on hand for maintenance programs to minimize downtime during scheduled outages.
• Consult your facility’s electrical schematics to confirm correct pole configuration and 208 V supply alignment with the 3-Pole bucket.

Choose the Siemens Marq 21 Breaker MCC Bucket (300 A, 208 V, 18" height, 3 P) from AmpState for a proven, purpose-built solution that enhances reliability, simplifies maintenance, and preserves the integrity of your Siemens Marq 21 motor control system.