Siemens - Marq 21 - Breaker MCC Bucket - 40 A, 600 V, 6" Height, 3 P | AmpState

Siemens - Marq 21 Breaker MCC Bucket — 40 A, 600 V, 6" height, 3 P: a purpose-built component for industrial motor control centers that keeps your Marq 21 MCC lineup performing at peak reliability. This Breaker MCC Bucket is engineered for OEM replacement and retrofit projects, delivering a precise fit and electrical characteristics that align with the original Siemens configuration.

Key specifications

• Brand: Siemens
• Series: Marq 21
• Configuration: Breaker MCC Bucket
• Rating: 40 A, 600 V, 3-Pole
• Bucket Height: 6"
• Compatibility: Siemens Marq 21 MCC lineup

Why this matters for your operation

In demanding industrial environments, precise current and voltage ratings translate to real-world performance and protection. This 40 A, 600 V, 3-Pole bucket provides dependable fault isolation and control for three-phase motors, supporting reliable startup sequences and safer operation across your motor control infrastructure. Its 6" bucket height ensures compatibility with standard MCC enclosures, helping you maintain neat, accessible panels without compromising space or safety.

Ideal use cases

• OEM replacement in existing Siemens Marq 21 MCC installations to restore original performance and reliability
• Retrofit projects upgrading aging MCC components to current Siemens-compatible parts
• New builds needing a compact, three-pole breaker bucket that fits within a 6" profile
• Industrial applications such as conveyors, pumps, fans, and machine centers that require consistent 3-phase protection

Installation and compatibility notes

Specifically designed to drop into Siemens Marq 21 MCC assemblies, this bucket aligns with the intended bus bar geometry and mechanical interfaces. When replacing, ensure the enclosure has adequate clearance for a 6" tall bucket and verify compatibility with your existing control scheme. Adhere to standard MCC safety procedures for de-energizing, mounting, and securing the bucket, and consult your maintenance manuals for any torque specifications or model-specific guidance.

Trust from AmpState

AmpState sources and supplies genuine Siemens MCC components worldwide, including this Marq 21 Breaker MCC Bucket. Choosing AmpState helps you secure authentic parts for OEM replacements and retrofits, backed by a global supply network and the confidence of authentic Siemens engineering.