Siemens - Marq 21 - Breaker MCC Bucket - 75 A, 600 V, 9" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket — 75 A, 600 V, 9" Height, 3-Pole — is built to slot directly into Siemens Marq 21 MCC lineups. This bucket is purpose-made for OEM replacement and retrofit projects, delivering reliable performance when upgrading existing motor control centers.

Key specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 75 A, 600 V, 3-Pole
• Bucket Height: 9 inches

Why this bucket matters for your facility: it preserves the exact electrical and mechanical interfaces used in Marq 21 systems, reducing retrofit risk and downtime. The 3-Pole configuration ensures balanced, three-phase control for typical industrial motors, while the 75 A current rating meets mid-range drive and pump applications without oversizing the cabinet. With a 9" bucket height, it fits within standard Marq 21 enclosures, making replacements straightforward and predictable.

Practical use cases

• OEM replacement in existing Siemens Marq 21 MCC installations to restore original performance and protection features.
• Retrofit projects to upgrade aging buckets to current Siemens specifications, maintaining compatibility with the surrounding bus and mounting hardware.
• New equipment builds that require a 75 A, 600 V, 3-Pole breaker bucket within a Marq 21 framework.

Designed for reliability in industrial settings, this MCC bucket aligns with Siemens’ Marq 21 architecture, helping plant engineers streamline maintenance, spare-part planning, and service life extension. AmpState proudly provides authentic Siemens MCC components worldwide, supporting uptime across multiple industries and geographies. If you’re modernizing a motor control center or refreshing an OEM line, this 9" Breaker MCC Bucket delivers the precise fit and performance you need.