{"product_id":"siemens-5sy63637-63a-3p-400v-circuit-breaker","title":"Siemens 5SY63637 63A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SY63637—an everyday workhorse designed to deliver trusted circuit protection in three-phase power systems. This 63 A, 3-pole, 400 V circuit breaker is purpose-built for panelboards, load centers, and electrical distribution setups where reliable protection and consistent performance are non-negotiable.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e: A precise fit for Siemens-based panel installations, minimizing upgrade guesswork and ensuring seamless replacement in existing infrastructures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, three‑phase protection\u003c\/strong\u003e: Ideal for distributing balanced power to multi-phase equipment while safeguarding all live conductors with a single, integrated device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e63 A current rating\u003c\/strong\u003e: Provides clear, predictable protection for feeders and branch circuits, helping prevent overloads without unnecessary nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 V operating capability\u003c\/strong\u003e: Suitable for common industrial and commerical three-phase networks, delivering reliable performance across standard voltage levels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for critical operations\u003c\/strong\u003e: A smart choice for maintenance teams, panel builders, and spare inventories where fast, accurate part matching saves time and reduces downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical uses and outcomes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect three-phase feeders in industrial control panels and distribution boards without compromising compatibility or clearance requirements.\u003c\/li\u003e \u003cli\u003eUse as a dependable replacement in Siemens-driven electrical systems, supporting ongoing service and upgrades with minimal configuration.\u003c\/li\u003e \u003cli\u003eMaintain inventory accuracy for service fleets by stocking a part that aligns precisely with existing Siemens installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart Number: 5SY63637\u003c\/li\u003e \u003cli\u003eAmperage: 63 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 400 V\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re confirming fit for a specific panel or update project, AmpState can help verify compatibility and ensure this Siemens 5SY63637 is the right match for your electrical distribution setup. Reach out with your panel model and current configuration, and we’ll assist in confirming a precise, trouble-free installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412995526818,"sku":"5SY63637","price":953.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-5sy63637-63a-3p-400v-circuit-breaker-ampstate-breakers-533.webp?v=1789038901","url":"https:\/\/www.ampstate.com\/products\/siemens-5sy63637-63a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}