{"product_id":"siemens-5sy4208-7-8a-2p-400v-circuit-breaker","title":"Siemens 5SY4208-7 8A 2P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003e5SY4208-7\u003c\/strong\u003e is a dependable, two-pole circuit breaker engineered for everyday electrical protection in panelboards, load centers, and distributed electrical systems. With an 8 A rating and a 400 V operating capacity, this device is purpose-built for reliable performance in voltage-aware circuits while keeping retrofit and maintenance workflows streamlined.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this model stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent part numbering for easier retrofit\u003c\/strong\u003e: The 5SY4208-7 is designed to slot into existing Siemens installations without the ambiguity that comes with changing part numbers during maintenance projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole protection\u003c\/strong\u003e: Simultaneously interrupts on both conductors, delivering coordinated protection for multi-wire circuits and shared neutral configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, service-friendly design\u003c\/strong\u003e: Built for quick replacement in panelboards and load centers, reducing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear electrical distribution protection\u003c\/strong\u003e: Ideal for safeguarding branch circuits and critical loads within electrical distribution networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where existing equipment must retain its original part number for compatibility with documentation and spare parts inventory.\u003c\/li\u003e \u003cli\u003eMaintenance planning for building systems, ensuring consistent protection components across service life cycles.\u003c\/li\u003e \u003cli\u003eLoad-center and panelboard upgrades that require reliable, readily available 2-pole protection at 400 V.\u003c\/li\u003e \u003cli\u003eSpare-part stock for service fleets, reducing search time when a replacement is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eModel: Siemens 5SY4208-7\u003c\/li\u003e \u003cli\u003eAmperage: 8 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage: 400 V\u003c\/li\u003e \u003cli\u003eApplication: Circuit protection in panelboards, load centers, and electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eBuying with AmpState\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis part is available from AmpState. If you’re unsure about fit or need to confirm compatibility with your panel or distribution setup, AmpState offers expert assistance to verify that the 5SY4208-7 is the correct match for your system. Message us, and we’ll help you confirm fit and keep your project on track.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413646266530,"sku":"5SY4208-7","price":225.0,"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-5sy4208-7-8a-2p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}