Siemens - Marq 21 - Breaker MCC Bucket - 90 A, 480 V, 18" Height, 3 P | AmpState

When you need a reliable, OEM-grade replacement for a Siemens Marq 21 MCC panel, the Siemens - Marq 21 - Breaker MCC Bucket - 90 A, 480 V, 18" Height, 3 P | AmpState delivers exact fit and proven performance. Designed for industrial motor control applications requiring a 90 A, 480 V, 3-Pole configuration, this bucket keeps your motor control system operating at peak efficiency.

Overview

This breaker MCC bucket is purpose-built for Siemens Marq 21 MCC lineups and is ideal for OEM replacement and retrofit projects. It ensures compatibility with existing bus connections, mounting points, and wiring harnesses in Marq 21 panels, helping minimize installation time and risk of misalignment.

Key features

• Exact fit for Siemens Marq 21 MCC panels: engineered to align with OEM specifications, reducing field modification needs.
• 90 A, 480 V, 3-Pole configuration: supports standard industrial motor control workloads with reliable three-phase operation.
• 18" bucket height: designed to match standard panel depths and take up predictable space within your enclosure.
• OEM replacement vs retrofit-ready: straightforward swap-in design for downtime reduction and long-term reliability.
• Quality you can trust: AmpState sources Siemens MCC components worldwide, ensuring authentic parts and traceability.

Why choose this Siemens Marq 21 MCC bucket

Too often, mismatched buckets cause wiring confusion or electrical clearance issues. This MCC bucket eliminates guesswork by delivering an OEM-grade component with the exact electrical rating and footprint required for Marq 21 systems. The result is smoother commissioning, fewer field modifications, and a safer, more dependable motor control setup.

Ideal use scenarios

• OEM replacement for aging Marq 21 installations to restore original performance.
• Retrofit projects upgrading legacy panels to the reliability and protection standards of modern Siemens controls.
• Spare part for critical motor control lines in manufacturing facilities to minimize downtime during maintenance.

Installation and compatibility tips

Before installation, verify panel compatibility to ensure the bucket aligns with your Marq 21 lineup. Confirm 90 A, 480 V, and 3-Pole configuration matches your protection scheme. Handle with standard electrical safety procedures, and ensure the enclosure provides adequate clearance for an 18" high bucket. If wiring harnesses or bus connections are part of your Marq 21 system, use the original connectors and refer to the panel's wiring diagram to avoid misconnections.