Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 240 V, 12" Height, 3 P | AmpState

Overview

The Siemens Marq 21 Breaker MCC Bucket is purpose-built for industrial motor control centers, delivering dependable performance in demanding environments. Engineered for a 300 A, 240 V, 3-Pole configuration, this bucket slots into Siemens Marq 21 MCC lineups, making it ideal for OEM replacement and retrofit projects that require exact compatibility and reliable protection for large-motor applications.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 300 A, 240 V, 3-Pole
• Bucket Height: 12 inches

Why this MCC bucket matters

Industrial motor control centers demand precise, rugged components that preserve system protection and coordination. This Marq 21 MCC bucket is designed to maintain the electrical characteristics essential for safe, reliable operation—supporting proper trip curves, protection coordination, and seamless bus-bar alignment within your Marq 21 setup. By using a genuine Siemens bucket for replacements or retrofits, you help preserve performance consistency across your motor control network.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 MCC installations to minimize downtime while preserving original system behavior
• Retrofit projects aimed at modernizing older motor control centers with compatible Marq 21 components
• New builds requiring a proven 300 A, 240 V, 3-Pole breaker bucket within the Marq 21 framework
• Industrial applications such as large pumps, conveyors, compressors, and HVAC drives that rely on robust motor control protection

Compatibility and installation notes

Designed specifically for Siemens Marq 21 MCC lineups, this bucket is the right choice when you need a precise fit and reliable performance. Confirm enclosure compatibility with your existing space, mounting patterns, and electrical connections. Adhere to proper electrical safety practices during installation, and consider OEM replacement or retrofit scenarios to maintain system integrity and service life.

AmpState assurance

AmpState supplies high-quality Siemens MCC components worldwide, backed by a network that supports global sourcing and timely availability for critical maintenance and projects.