Siemens - Marq 21 - Breaker MCC Bucket - 75 A, 480 V, 6" Height, 3 P | AmpState

Engineered for industrial motor control centers, the Siemens Marq 21 Breaker MCC Bucket—75 A, 480 V, 6" Height, 3-Pole—delivers reliable protection and streamlined maintenance within the Siemens Marq 21 MCC lineup. This OEM-compatible bucket is ideal for both new installations and replacements, ensuring your control cabinet stays aligned with established Siemens architecture.

• Exact Marq 21 compatibility: Precisely designed to drop into Siemens Marq 21 MCC cabinets without modification, preserving cabinet layout, terminal access, and control wiring integrity.
• Electrical rating at a glance: 75 A continuous current, 480 V line voltage, 3-Pole configuration to support standard motor control circuits in demanding environments.
• Compact physical footprint: A 6" bucket height fits within common cabinet depths, enabling straightforward retrofits in space-constrained installations.
• OEM replacement and retrofit ready: Built to exact Siemens specifications for easy swaps during maintenance or modernization, reducing downtime and mismatch risk.
• Global availability from a trusted source: AmpState supplies Siemens MCC components worldwide, ensuring authentic parts and dependable support for service teams.

Ideal use cases

• Replacing aging components in existing Marq 21 systems on manufacturing lines, conveyors, pumps, and automated machinery that operate at 75 A and 480 V.
• Upgrading facilities to a standardized Siemens MCC architecture with consistent 3-Pole protection across multiple machines.
• Retrofits where a compatible bucket simplifies wiring, aligns with current protection schemes, and minimizes downtime during modernization projects.

Why this bucket matters In the realm of industrial motor control, a correctly matched MCC bucket is essential for reliability and uptime. This Marq 21 bucket maintains the intended interface with the controller, breaker, and bus assemblies, reducing the risk of misalignment, improper connections, or compatibility hiccups that can slow maintenance windows.

Installation notes Verify that you’re selecting the exact Marq 21 family model and confirm the 6" height and 3-Pole configuration before installation. Adhere to standard electrical safety protocols and disconnect power during any replacement or retrofitting work.