Siemens - Marq 21 - Breaker MCC Bucket - 400 A, 600 V, 36" Height, 3 P | AmpState

Engineered for demanding industrial motor control, the Siemens Marq 21 Breaker MCC Bucket delivers dependable performance in a compact 36-inch frame. With a 400 A, 600 V, 3-Pole configuration, this bucket is purpose-built for Siemens Marq 21 MCC lineups and is ideal for OEM replacement and retrofit projects.

• Exact Marq 21 compatibility ensures a seamless fit within your existing MCC enclosure, reducing installation time and wiring rework.
• 400 A, 600 V, 3-Pole design provides robust three-phase motor control for heavy-duty applications such as pumps, compressors, conveyors, and large fans.
• 36" bucket height aligns with standard MCC housing dimensions, making integration into current systems straightforward.
• OEM replacement and retrofit ready built to slot into established Siemens builds, enabling reliable upgrades without major system redesigns.
• Industrial-grade reliability engineered to withstand the rigors of demanding environments, delivering consistent performance in continuous operation.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 400 A, 600 V
• Poles: 3-Pole
• Bucket Height: 36"

This MCC bucket is an excellent choice for facilities planning OEM replacements or retrofits in existing Siemens Marq 21 installations. It helps you maintain consistent electrical performance and protects motor-driven equipment by preserving the precise interface and electrical characteristics your system expects.

Who benefits most: operations enclosures housing large motors or process lines that require reliable, high-current motor control, serviceable components, and minimized downtime during upgrades. If you’re upgrading an aging MCC or refreshing a critical motor control circuit with a Siemens-grade part, this Breaker MCC Bucket from AmpState is designed to deliver.

Why choose AmpState—AmpState supplies Siemens MCC components worldwide, offering genuine parts and reliable sourcing for OEM replacements and retrofits. When you order the Siemens Marq 21 Breaker MCC Bucket, you’re investing in a compatible, purpose-built solution that supports your uptime and long-term maintenance plans.