{"product_id":"siemens-marq-21-breaker-mcc-bucket-300-a-240-v-42-height-3-p-ampstate","title":"Siemens - Marq 21 - Breaker MCC Bucket - 300 A, 240 V, 42\" Height, 3 P | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for rugged industrial motor control centers, the \u003cstrong\u003eSiemens Marq 21 Breaker MCC Bucket\u003c\/strong\u003e delivers reliable performance in demanding environments. Designed to integrate with the Siemens Marq 21 MCC lineup, this 300 A, 240 V, 3-Pole bucket is an ideal choice for OEM replacement and retrofit projects, helping you refresh aging systems without a full cabinet overhaul.\u003c\/p\u003e \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 42\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for Siemens Marq 21 MCC lineups; ideal for OEM replacement and retrofit applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless compatibility\u003c\/strong\u003e with Marq 21 cabinets ensures consistent wiring and protection coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM replacement and retrofit support\u003c\/strong\u003e minimizes downtime while preserving system performance and interoperability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, industrial-grade construction\u003c\/strong\u003e designed to withstand the demanding environments where motor control centers operate.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e optimized for standard 300 A motor control circuits at 240 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e42\" bucket height\u003c\/strong\u003e aligns with typical Marq 21 enclosures, simplifying installation and space planning.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003eReplacement in existing Siemens Marq 21 MCCs to restore reliability and uptime.\u003c\/li\u003e \u003cli\u003eRetrofit projects requiring a 300 A, 240 V, 3-Pole bucket to meet updated specifications without a full cabinet rewrite.\u003c\/li\u003e \u003cli\u003eNew equipment builds that follow the Marq 21 platform for consistent performance and future scalability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003eVerify compatibility with your enclosure’s mounting pattern and wiring interfaces.\u003c\/li\u003e \u003cli\u003eEnsure the 42\" bucket height fits your cabinet space and clearance requirements.\u003c\/li\u003e \u003cli\u003eConfirm that the associated protection devices and wiring are rated for 300 A at 240 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAmpState\u003c\/strong\u003e supplies high-quality Siemens MCC components worldwide, providing genuine parts and dependable service for critical, downtime-sensitive projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46337299087522,"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_6d6bdf29-0770-4253-b24b-770bd5c41a17.jpg?v=1763783472","url":"https:\/\/www.ampstate.com\/products\/siemens-marq-21-breaker-mcc-bucket-300-a-240-v-42-height-3-p-ampstate","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}