{"product_id":"siemens-5sy63057-5a-3p-400v-circuit-breaker","title":"Siemens 5SY63057 5A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 5SY63057 is a trusted 5A, 3-pole circuit breaker designed to safeguard panelboards, load centers, and electrical distribution networks. Built for three-phase systems operating up to 400V, it provides reliable protection by interrupting fault currents and preventing damage to wiring and equipment.\u003c\/p\u003e \u003cp\u003eDesigned for precise part-number matching, this model is ideal when exact compatibility matters—whether you’re stocking spare inventory, building new panels, or performing maintenance on existing Siemens installations. AmpState ensures authentic Siemens parts, making compatibility and long-term maintenance planning straightforward.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures all conductors in a three-phase circuit trip together, delivering coordinated protection across the entire circuit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e5 A rating\u003c\/strong\u003e is well-suited for branch circuits with moderate operating loads, providing targeted protection without nuisance tripping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400V compatibility\u003c\/strong\u003e aligns with common industrial and commercial distributions, helping you protect equipment in typical three-phase environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e simplifies ordering, minimizes stocking confusion, and speeds up repairs or panel builds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Siemens hardware\u003c\/strong\u003e backed by AmpState’s support, so you can trust fit, function, and availability when you need it most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis product is perfect for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams managing spare parts for Siemens-based installations\u003c\/li\u003e \u003cli\u003ePanel builders assembling new electrical distribution systems\u003c\/li\u003e \u003cli\u003eSpare inventories where a precise part number is essential to avoid misfits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow it helps you in practice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFast, reliable replacement in three-phase panels, reducing downtime during service calls or retrofits.\u003c\/li\u003e \u003cli\u003eImproved reliability in distribution rooms where consistent 400V three-phase protection is required.\u003c\/li\u003e \u003cli\u003eClear, traceable part-numbering (5SY63057) simplifies asset management and future sourcing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\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 5SY63057\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 5 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 400V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure about fit or compatibility, AmpState offers assistance to help confirm the right part for your specific panel or distribution system. Rely on the Siemens 5SY63057 for precise protection, straightforward stock management, and dependable performance in demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413006373026,"sku":"5SY63057","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-5sy63057-5a-3p-400v-circuit-breaker-ampstate-breakers-956.webp?v=1789039629","url":"https:\/\/www.ampstate.com\/products\/siemens-5sy63057-5a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}