Siemens - Marq 21 - Breaker MCC Bucket - 50 A, 480 V, 18" Height, 3 P | AmpState

The Siemens Marq 21 Breaker MCC Bucket is purpose-built for industrial motor control centers, delivering a dedicated 50 A, 480 V capacity in a compact 18-inch tall, 3-pole configuration. Designed to integrate seamlessly into Siemens Marq 21 MCC lineups, this bucket serves as an OEM replacement or retrofit option, helping you extend equipment life and streamline modernization projects without surprises.

Key specifications

• Brand/Series: Siemens, Marq 21
• Configuration: Breaker MCC Bucket, 3-Pole
• Rating: 50 A, 480 V
• Bucket Height: 18 inches

What makes it stand out

engineered to maintain exacting fit and electrical characteristics within Marq 21 enclosures. By matching the OEM design, this bucket preserves bus connections and mounting interfaces, reducing cabinet rework during replacements or retrofits. Built for demanding industrial environments, it supports reliable protection and control of 3‑phase motors up to 50 A, helping you minimize downtime and keep critical processes running smoothly.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 MCC installations to restore or maintain optimal protection and control.
• Retrofit projects that introduce or accommodate motor loads up to 50 A at 480 V within a 3‑phase system.
• Spare parts inventory for maintenance programs in manufacturing facilities, data centers, and processing plants.

Compatibility and installation notes

This MCC bucket is specifically engineered for Siemens Marq 21 MCC lineups. When planning installation, verify your cabinet supports an 18-inch bucket height and a 3‑pole, 50 A, 480 V configuration to ensure a seamless fit and reliable operation.

AmpState assurance

AmpState supplies Siemens MCC components worldwide, offering OEM-compatible parts that align with original specifications and performance expectations. Trust AmpState for authentic, compatible replacements that keep your motor control systems consistent and dependable.