{"product_id":"siemens-marq-21-breaker-mcc-bucket-125-a-480-v-15-height-3-p-ampstate","title":"Siemens - Marq 21 - Breaker MCC Bucket - 125 A, 480 V, 15\" Height, 3 P | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding industrial motor control tasks, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 125 A, 480 V, 3-Pole configuration inside a compact 15\" bucket footprint. Built specifically for the Siemens Marq 21 MCC line, this MCC bucket is the OEM-grade choice for replacements and retrofits in existing systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\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 125 A at 480 V, 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBucket height:\u003c\/strong\u003e 15 inches\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for OEM replacements and retrofit projects, it slips into standard Marq 21 frames with minimal modification, enabling you to restore or upgrade motor control capabilities without a full cabinet redesign.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy it matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: Tailored to the Marq 21 MCC lineup, ensuring accurate fitment, bus routing, and mounting patterns—so you don’t chase mismatched components during a rebuild.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable performance\u003c\/strong\u003e: Rated for 125 A and 480 V, this bucket supports heavy-duty motor loads and control circuits common in manufacturing, pumps, conveyors, and HVAC applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlexible retrofit options\u003c\/strong\u003e: Use as a direct OEM replacement for aging MCCs or as a modular upgrade to expand power distribution within your Marq 21 system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational clarity\u003c\/strong\u003e: Standardized 3-Pole configuration aligns with common three-phase systems, simplifying wiring schemes and maintenance checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn practice, engineers and maintenance teams choose this bucket when rebuilding or expanding Siemens Marq 21 MCCs. It reduces downtime by providing a bench-ready, authentic Siemens component that integrates with existing breakers, bus bars, and protective relays. Whether you're modernizing a legacy plant or maintaining current equipment, this MCC bucket delivers predictable performance and long service life when paired with Siemens-certified accessories.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that the receiving Marq 21 cabinet is configured for a 125 A, 480 V, 3-Pole setup before ordering.\u003c\/li\u003e \u003cli\u003eInspect bus bar alignment and mounting hardware to ensure a smooth fit with minimal alignment effort during installation.\u003c\/li\u003e \u003cli\u003eMaintain torque specifications for associated lugs and terminations per Siemens guidelines to ensure reliable power connections.\u003c\/li\u003e \u003cli\u003eStore spares in a controlled environment to prevent corrosion and ensure readiness for preventive maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSecure this Siemens Marq 21 Breaker MCC Bucket from AmpState and keep your motor control center performing at the level your operations demand. OEM-grade, Siemens-certified components mean faster restorations and lasting reliability for OEM replacements and retrofits alike. AmpState supplies this item worldwide, supporting your global maintenance and upgrade needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46337176699042,"sku":null,"price":7010.0,"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_545a146b-649e-431f-9b74-d7990b8c9f79.jpg?v=1763781247","url":"https:\/\/www.ampstate.com\/products\/siemens-marq-21-breaker-mcc-bucket-125-a-480-v-15-height-3-p-ampstate","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}