{"product_id":"siemens-marq-21-breaker-mcc-bucket-400-a-600-v-42-height-3-p-ampstate","title":"Siemens - Marq 21 - Breaker MCC Bucket - 400 A, 600 V, 42\" Height, 3 P | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding industrial motor control environments, the Siemens Marq 21 Breaker MCC Bucket delivers reliable, OEM-grade protection for your largest 3‑phase motors. Engineered specifically for the Siemens Marq 21 MCC lineup, this 400 A, 600 V, 3‑Pole bucket is built to integrate seamlessly into existing cabinets, enabling smooth OEM replacement and efficient retrofits without sacrificing performance or safety. With a full 42\" bucket height, it aligns with standard Marq 21 enclosures for a straightforward installation and dependable long‑term service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this MCC bucket stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact Marq 21 compatibility:\u003c\/strong\u003e Precision‑engineered to fit Siemens Marq 21 MCC systems, ensuring proper mounting, bus bar continuity, interlocks, and trip coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust electrical ratings:\u003c\/strong\u003e 400 A continuous current and a 600 V rating support demanding motor starts and heavy-duty protection across industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑Pole configuration:\u003c\/strong\u003e Provides balanced protection for typical three-phase motors, enabling accurate fault isolation and reliable system uptime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM replacement and retrofit ready:\u003c\/strong\u003e Ideal for upgrading aging MCCs or refurbishing existing Siemens installations without the need for extensive enclosure redesigns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic availability from AmpState:\u003c\/strong\u003e Source genuine Siemens MCC components with global reach, designed for quick fulfillment and dependable supply in critical maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams overseeing medium to large motor drives that require solid 400 A protection and a durable 3‑pole setup.\u003c\/li\u003e \u003cli\u003eEngineers and integrators performing retrofits on active production lines to meet updated protection standards or improve reliability.\u003c\/li\u003e \u003cli\u003eOEMs designing or upgrading machinery that relies on Siemens Marq 21 MCC architecture for centralized motor control.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance and use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cem\u003eOEM replacement:\u003c\/em\u003e Swap in the Marq 21 Breaker MCC Bucket to restore original performance characteristics and preserve cabinet layout.\u003c\/li\u003e \u003cli\u003e\n\u003cem\u003eRetrofit projects:\u003c\/em\u003e Use this bucket to upgrade protection curves and coordination within existing Marq 21 arrangements, reducing downtime and improving safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cem\u003eSpare parts strategy:\u003c\/em\u003e Maintain a ready‑to‑deploy bucket in critical facilities to minimize extended outages when a breaker module reaches end of life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where reliability, compatibility, and prompt availability matter most, the Siemens Marq 21 Breaker MCC Bucket—400 A, 600 V, 3‑Pole, 42\" tall—delivers precise fit, proven protection, and the assurance that comes from sourcing genuine Siemens components through AmpState. Whether upgrading an aging line or integrating into a new build, this bucket is built to keep your motor control center functioning with clarity and confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46337303183522,"sku":null,"price":9510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_model_90_95_95_marq_21_26705118-1366-4bb5-8c81-d09dafa3ba1a.jpg?v=1763783568","url":"https:\/\/www.ampstate.com\/products\/siemens-marq-21-breaker-mcc-bucket-400-a-600-v-42-height-3-p-ampstate","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}