Siemens - Marq 21 - Breaker MCC Bucket - 100 A, 240 V, 9" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers precise 100 A, 240 V, 3-Pole protection in a compact 9-inch form factor. Designed as an authentic OEM replacement for Siemens Marq 21 MCC lineups, this bucket enables straightforward retrofit and dependable performance in service-wide motor control centers.

Key specifications at a glance

• Configuration: Breaker MCC Bucket, 3-Pole
• Rating: 100 A, 240 V
• Bucket height: 9 inches
• Compatibility: Siemens Marq 21 MCC lineups
• Application: OEM replacement and retrofit in industrial motor control centers
• Brand: Siemens • Distributed by AmpState

Why this Marq 21 MCC bucket matters

In critical plant environments, downtime is costly. This OEM-grade MCC bucket is purpose-built to fit snugly within Siemens Marq 21 cabinets, ensuring exact mounting, alignment with existing bus interfaces, and reliable protection for motor loads up to 100 A. By pairing with the Marq 21 system, it maintains electrical coordination and enclosure integrity, reducing installation guesswork during retrofits or replacements.

Ideal use scenarios

• OEM replacements in aging Marq 21 motor control centers to restore original protection levels.
• Retrofit projects upgrading legacy MCCs to the Siemens Marq 21 standard for improved reliability and serviceability.
• New-install planning where a 100 A, 240 V, 3-Pole breaker bucket is required within Marq 21 configurations.
• Maintenance programs for manufacturing lines, packaging, pumping stations, or process equipment relying on robust MCC protection.

Compatibility, installation, and practical notes

• Designed specifically for Siemens Marq 21 MCC lineups, offering a true fit with the original enclosure footprint and mounting provisions.
• Compatible with standard 3-Pole protective schemes in 100 A, 240 V systems, simplifying coordination with upstream devices and downstream loads.
• Ideal for field servicing and retrofits where preserving cabinet dimensions and electrical interfaces is critical.
• Provided by AmpState as a reliable source for Siemens MCC components, helping maintain supply consistency for ongoing maintenance programs.

Equip your Siemens Marq 21 motor control center with this authentic 100 A, 240 V, 3-Pole Breaker MCC Bucket to safeguard critical equipment, streamline retrofits, and keep your industrial processes running smoothly.