{"product_id":"siemens-marq-21-breaker-mcc-bucket-250-a-480-v-36-height-3-p-ampstate","title":"Siemens - Marq 21 - Breaker MCC Bucket - 250 A, 480 V, 36\" Height, 3 P | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens Marq 21 Breaker MCC Bucket\u003c\/strong\u003e – a purpose-built, 250 A, 480 V, 3-Pole solution engineered for demanding industrial motor control environments. This MCC bucket is designed to integrate seamlessly with the Siemens Marq 21 MCC lineup, delivering a reliable, OEM-compatible option for both original equipment manufacturing (OEM) replacements and retrofit projects.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Breaker MCC Bucket, 3-Phase\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 250 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBucket height:\u003c\/strong\u003e 36 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Siemens Marq 21 MCC lineups (OEM replacement and retrofits)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this bucket matters for your facility\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility with Marq 21:\u003c\/strong\u003e Purpose-built for Siemens MCC panels, reducing the risk of fitment issues and minimizing downtime during upgrades or replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust protection for industrial motors:\u003c\/strong\u003e The 250 A, 480 V, 3-Pole configuration is ideal for medium to large motor applications, providing reliable protection and coordinated operation within your control system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready and OEM-focused:\u003c\/strong\u003e Perfect for upgrading aging MCCs or replacing failed components without a full panel overhaul, preserving wiring layouts and control logic.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent performance in harsh environments:\u003c\/strong\u003e Built to withstand the rigors of industrial settings, helping keep critical processes up and running.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with heavy motor loads—pumps, conveyors, fans, and compressors—that require a dependable 250 A, 480 V, 3-Pole MCC bucket.\u003c\/li\u003e \u003cli\u003e OEM replacements for aging Siemens Marq 21 MCC assemblies, ensuring continuity with existing protection schemes and control architectures.\u003c\/li\u003e \u003cli\u003e Retrofit projects where downtime and reconfiguration risk must be minimized while preserving system performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility guidance\u003c\/h2\u003e\n\u003cp\u003eThe Marq 21 Breaker MCC Bucket is designed to slot into Siemens Marq 21 configurations, providing a straightforward path for OEM replacement or retrofit without extensive rewiring. When deploying, verify panel compatibility and ensure your protective coordination (fusing, breakers, and control wiring) aligns with the 250 A, 480 V, 3-Pole ratings to maintain proper safety and performance margins.\u003c\/p\u003e \u003ch2\u003ePractical tips for maximum reliability\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eConfirm exact Marq 21 model variant and mounting dimensions before installation to ensure a smooth fit.\u003c\/li\u003e \u003cli\u003ePlan for a controlled downtime window to complete retrofits, reducing impact on continuous operations.\u003c\/li\u003e \u003cli\u003eCoordinate protection settings with downstream devices to maintain proper selectivity and minimize nuisance tripping.\u003c\/li\u003e \u003cli\u003eInspect associated MCC components (bus connections, terminal blocks, and protective devices) to ensure integrity post-installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy AmpState\u003c\/h2\u003e\n\u003cp\u003eAmpState supplies high-quality Siemens MCC components worldwide, offering dependable parts for critical industrial infrastructure. This \u003cem\u003eMarq 21 Breaker MCC Bucket\u003c\/em\u003e embodies AmpState’s commitment to authenticity, durability, and timely availability for engineers and technicians focused on reliability and uptime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46337294139554,"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_3d980cf7-6916-41a0-9c80-2a518cb045a8.jpg?v=1763783359","url":"https:\/\/www.ampstate.com\/products\/siemens-marq-21-breaker-mcc-bucket-250-a-480-v-36-height-3-p-ampstate","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}