Siemens - Marq 21 - Breaker MCC Bucket - 100 A, 480 V, 15" Height, 3 P | AmpState

Engineered for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 100 A, 480 V, 3-Pole configuration wrapped in a compact 15" tall enclosure. Designed to integrate seamlessly with Siemens Marq 21 MCC lineups, this bucket serves as a direct OEM replacement and a reliable retrofit option, helping maintenance teams keep critical manufacturing lines up and running with minimal downtime.

Why this Siemens Marq 21 Breaker MCC Bucket stands out

• Direct compatibility with Siemens Marq 21 MCC assemblies, eliminating guesswork during replacements or upgrades.
• Three-pole configuration ensures synchronized control across a three-phase motor system, supporting balanced power delivery and enhanced protection.
• Compact 15" bucket height fits standard Marq 21 enclosures, enabling straightforward swap-ins without enclosure modification.
• 100 A, 480 V rating matches common industrial motor loads, enabling efficient handling of high-demand equipment.
• OEM-grade design from Siemens provides consistent electrical characteristics, reducing integration risk compared with generic buckets.
• Available through AmpState, a trusted global supplier of Siemens MCC components for quick procurement and reliable sourcing.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 100 A, 480 V, 3-Pole
• Bucket Height: 15"

Ideal use cases

• OEM replacement in existing Marq 21 MCC systems to restore original performance and protection levels.
• Retrofit projects where increased motor loads require a 100 A, 480 V, 3-Pole breaker bucket that matches Siemens specifications.
• New or refurbished installations in manufacturing plants, packaging lines, pumping stations, and other facilities with demanding motor controls.

What problems it solves

• Eliminates mismatch risk when upgrading or maintaining Marq 21 MCCs by using an authentic Siemens bucket designed for exact fit and electrical characteristics.
• Minimizes downtime with a straightforward replacement that keeps motor control centers operating reliably during upgrades or maintenance.
• Provides a dependable path for retrofit projects aiming to standardize on Siemens components across the facility.

Practical tips for procurement and installation

• Verify that your system uses the Siemens Marq 21 MCC lineup and that a 15" bucket height is compatible with your enclosure.
• Confirm the three-pole configuration matches your motor control circuit and that the 480 V rating aligns with your site power distribution.
• Plan replacements as OEM-grade retrofit work to preserve electrical protection schemes and coordination with upstream devices.
• Source through AmpState to ensure genuine Siemens components and reliable availability for ongoing maintenance needs.