{"product_id":"siemens-5sy63507-50a-3p-400v-circuit-breaker","title":"Siemens 5SY63507 50A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SY63507—a purpose-built three-pole circuit breaker engineered for dependable protection in modern electrical systems. With a 50 A rating and a 400 V operating window, this unit is designed for three-phase panelboards, load centers, and distribution assemblies where precise, reliable interrupting capability matters most. It’s a purposeful drop-in solution that helps you keep your BOM aligned with the original part number, ensuring seamless replacements and consistent performance across your installation.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact OEM compatibility\u003c\/strong\u003e — The 5SY63507 part number is ideal for replacements and spare stocking, helping you preserve BOM integrity and reduce installation guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 50 A\u003c\/strong\u003e — Perfect for three-phase circuits that require solid common-trip protection and cohesive coordination with your distribution equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 V rating\u003c\/strong\u003e — Suited for standard 400 V three-phase environments, delivering reliable performance in commercial and industrial electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection, straightforward replacement\u003c\/strong\u003e — Built to safeguard panelboards and load centers from overloads and short circuits, while simplifying service upgrades and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState supply and support\u003c\/strong\u003e — Available from AmpState with responsive assistance to verify fit and compatibility for your specific installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this part\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panel modernization or service upgrades that require authentic Siemens components.\u003c\/li\u003e \u003cli\u003eFacility managers and maintenance teams stocking spares to minimize downtime during electrical repairs.\u003c\/li\u003e \u003cli\u003eOEMs and integrators aligning their assemblies with original equipment manufacturer (OEM) specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement projects where compatibility with existing Siemens equipment is critical to avoid rewiring or busbar changes.\u003c\/li\u003e \u003cli\u003eSpare parts strategies that prioritize BOM fidelity, ensuring quick swaps without voiding warranties or causing compatibility issues.\u003c\/li\u003e \u003cli\u003eNew installations in three-phase distribution systems that require robust, standard-rated protection at 400 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 5SY63507\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 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 400 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to verify fit or need a quick compatibility check? AmpState is available to assist with part-number matching and confirmation of compatibility, helping you move from order to installation with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412996509858,"sku":"5SY63507","price":1067.0,"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-5sy63507-50a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}