{"product_id":"siemens-5sy63257-25a-3p-400v-circuit-breaker","title":"Siemens 5SY63257 25A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens 5SY63257 25A 3P 400V Circuit Breaker from AmpState — a precise, dependable protection solution designed for demanding electrical distributions. This 3-pole unit is built to slot into panelboards and load centers, delivering reliable overcurrent protection for three-phase systems at up to 400V with a 25-amp rating.\u003c\/p\u003e \u003cp\u003eKey reasons facilities, technicians, and distributors choose this breaker:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThree-pole (3P) design that fits standard Siemens panelboards and distribution boards used in commercial and industrial settings\u003c\/li\u003e \u003cli\u003e25 A rating targets protection for branch circuits, reducing the risk of equipment damage from overloads\u003c\/li\u003e \u003cli\u003e400V operating voltage aligns with common three-phase power configurations found in many facilities\u003c\/li\u003e \u003cli\u003eReplacement-ready part that keeps your BOM aligned to the original Siemens part number 5SY63257, simplifying procurement and maintenance plans\u003c\/li\u003e \u003cli\u003eStrategic stocking option for rapid downtime mitigation and consistent part availability through AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this Siemens circuit breaker stand out?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExact OEM part: 5SY63257, ensuring seamless compatibility with existing protection schemes and control gear\u003c\/li\u003e \u003cli\u003eDesigned specifically for panelboards and load centers, delivering dependable disconnection when protection limits are reached\u003c\/li\u003e \u003cli\u003ePart of AmpState’s curated inventory with expert support to help you confirm fit and compatibility for your installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacement in established Siemens panelboards where the original part number is 5SY63257\u003c\/li\u003e \u003cli\u003eStrategic spare for facilities managing multiple Siemens protection devices, simplifying procurement and BOM consistency\u003c\/li\u003e \u003cli\u003eMaintenance and upgrade projects across commercial or industrial sites that require reliable three-phase protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit? Message AmpState to verify compatibility and ensure the 5SY63257 will integrate smoothly with your specific panelboard model and distribution setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413004439714,"sku":"5SY63257","price":583.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-5sy63257-25a-3p-400v-circuit-breaker-ampstate-breakers-861.webp?v=1789039589","url":"https:\/\/www.ampstate.com\/products\/siemens-5sy63257-25a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}