{"product_id":"siemens-5sy63047-4a-3p-400v-circuit-breaker","title":"Siemens 5SY63047 4A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 5SY63047\u003c\/strong\u003e is a purpose-built 3-pole circuit breaker designed to protect panelboards, load centers, and electrical distribution networks with dependable overcurrent protection. This 4 A, 400 V unit is the exact choice for replacement projects and stocking spares when it’s essential to keep your bill of materials (BOM) aligned to the original part number.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5SY63047\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 400 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal For:\u003c\/strong\u003e Replacement projects, stocking spares to maintain BOM fidelity\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe 5SY63047 delivers reliable, coordinated protection for three-phase systems, ensuring safe operation of downstream equipment while minimizing nuisance tripping in normal load conditions. Its 400 V rating makes it suitable for a wide range of commercial and light industrial installations, allowing you to protect feeders, motors, and control circuits with a single, compatible device.\u003c\/p\u003e \u003cp\u003eWhy this Siemens model stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact form, dependable fit:\u003c\/strong\u003e Engineered to match the original Siemens specification, so installation is straightforward and downtime is minimized.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e BOM alignment made easy:\u003c\/strong\u003e Keeps your parts list consistent with the original design, reducing procurement confusion and compatibility risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole protection for balanced loads:\u003c\/strong\u003e Ideal for 3-phase distribution systems, ensuring synchronized protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile compatibility:\u003c\/strong\u003e Suits panelboards and load centers commonly deployed in commercial and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most?\u003c\/strong\u003e Maintenance teams, facility managers, and electrical contractors who value reliability, quick swaps during retrofits, and BOM integrity. Whether you’re upgrading an aging panel or stocking spares for critical infrastructure, the Siemens 5SY63047 helps you keep systems protected without guesswork.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow to think about compatibility\u003c\/strong\u003e: If your project requires a three-phase, 400 V circuit breaker with a 4 A rating and Siemens form factor, this part fits the bill. It’s designed to slot into Siemens panelboards and distribution equipment that reference the 5SY6 family, preserving electrical protection coordination and ease of replacement.\u003c\/p\u003e \u003cp\u003eNeed help confirming fit or matching a part number? AmpState offers guidance to ensure you’re selecting the right device for your specific installation. Message us and we’ll help you confirm compatibility and placement for the Siemens 5SY63047.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412995657890,"sku":"5SY63047","price":583.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-5sy63047-4a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}