Siemens - Marq 21 - Breaker MCC Bucket - 150 A, 240 V, 18" Height, 3 P | AmpState

Siemens Marq 21 Breaker MCC Bucket — a purpose-built 150 A, 240 V, 3-Pole module designed to slot into Siemens Marq 21 motor control centers. Engineered for OEM replacement and retrofit projects, this MCC bucket delivers reliable, plug-and-play performance in demanding industrial environments.

Key features you’ll notice in every install include:

• Exact fit for Marq 21 MCC lineups — engineered to integrate seamlessly with your existing Siemens infrastructure, minimizing downtime during replacements and upgrades.
• High-current, 3-Pole configuration — 150 A rating across a 240 V three-phase setup to support medium-sized industrial motors and conveyor systems.
• Compact, exacting dimensions — 18" bucket height designed to fit standard MCC enclosures without modifying or fabricating mounting openings.
• OEM-grade reliability — built to meet Siemens’ manufacturing standards, ensuring consistent electrical performance, protection coordination, and long service life in tough industrial settings.

Why this MCC bucket matters for your operation

• Minimize downtime by achieving a quick, clean replacement that preserves the original system architecture and wiring schemes.
• Upgrade or retrofit with confidence— if your motor loads grow or you’re standardizing across facilities, this bucket aligns with existing Marq 21 configurations to support expanded uptime and reliability.
• Trusted distributor support — AmpState supplies Siemens MCC components worldwide, providing access to genuine parts and dependable sourcing for ongoing maintenance programs.

Ideal use cases

• OEM replacement projects where equipment parity with existing Marq 21 gear is critical
• Retrofits of aging MCCs to restore performance and protect downstream motor circuits
• Spare-part strategy for plants with multiple Marq 21 enclosures to ensure rapid recovery after fault events

Specifications at a glance

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 150 A, 240 V, 3-Pole
• Bucket Height: 18 inches

How this works in real-world scenarios

In a typical industrial setting, you’ll rely on a clean, durable breaker bucket to manage motor starter functionality within a motor control center. The Siemens Marq 21 Breaker MCC Bucket ensures that protective devices are correctly organized, electrically compatible, and readily accessible for routine maintenance or emergency swaps. By sticking with Siemens’ Marq 21 design language, technicians spend less time diagnosing fit issues and more time keeping production lines running smoothly.