{"product_id":"siemens-marq-21-breaker-mcc-bucket-300-a-240-v-12-height-3-p-ampstate","title":"Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 240 V, 12\" Height, 3 P | AmpState","description":"\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens Marq 21 Breaker MCC Bucket is purpose-built for industrial motor control centers, delivering dependable performance in demanding environments. Engineered for a 300 A, 240 V, 3-Pole configuration, this bucket slots into Siemens Marq 21 MCC lineups, making it ideal for OEM replacement and retrofit projects that require exact compatibility and reliable protection for large-motor applications.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Marq 21\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Breaker MCC Bucket\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e 300 A, 240 V, 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBucket Height:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MCC bucket matters\u003c\/h3\u003e\n\u003cp\u003eIndustrial motor control centers demand precise, rugged components that preserve system protection and coordination. This Marq 21 MCC bucket is designed to maintain the electrical characteristics essential for safe, reliable operation—supporting proper trip curves, protection coordination, and seamless bus-bar alignment within your Marq 21 setup. By using a genuine Siemens bucket for replacements or retrofits, you help preserve performance consistency across your motor control network.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eOEM replacement in existing Siemens Marq 21 MCC installations to minimize downtime while preserving original system behavior\u003c\/li\u003e \u003cli\u003eRetrofit projects aimed at modernizing older motor control centers with compatible Marq 21 components\u003c\/li\u003e \u003cli\u003eNew builds requiring a proven 300 A, 240 V, 3-Pole breaker bucket within the Marq 21 framework\u003c\/li\u003e \u003cli\u003eIndustrial applications such as large pumps, conveyors, compressors, and HVAC drives that rely on robust motor control protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for Siemens Marq 21 MCC lineups, this bucket is the right choice when you need a precise fit and reliable performance. Confirm enclosure compatibility with your existing space, mounting patterns, and electrical connections. Adhere to proper electrical safety practices during installation, and consider OEM replacement or retrofit scenarios to maintain system integrity and service life.\u003c\/p\u003e \u003ch3\u003eAmpState assurance\u003c\/h3\u003e\n\u003cp\u003eAmpState supplies high-quality Siemens MCC components worldwide, backed by a network that supports global sourcing and timely availability for critical maintenance and projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46337192394914,"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_192d3605-02dd-466b-a1a1-fcd169f43fb6.jpg?v=1763781487","url":"https:\/\/www.ampstate.com\/products\/siemens-marq-21-breaker-mcc-bucket-300-a-240-v-12-height-3-p-ampstate","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}