{"product_id":"siemens-5sy45257-25a-230v-circuit-breaker","title":"Siemens 5SY45257 25A 230V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SY45257 — a 25 A, 230 V circuit breaker engineered for reliable protection in panelboards, load centers, and electrical distribution networks. When your job depends on exact part-number compatibility, this 5SY-series breaker offers a precise fit that streamlines maintenance, procurement, and installation.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match matters:\u003c\/strong\u003e Designed to slot into Siemens systems without modification, reducing troubleshooting time and retrofit risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact electrical protection:\u003c\/strong\u003e 25 A current rating and 230 V operation safeguard your circuits from overloads and short circuits within standard distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for professional workflows:\u003c\/strong\u003e A trusted choice for maintenance teams, panel builders, and spare inventories that require dependable, on-the-shelf replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState reliability:\u003c\/strong\u003e Available through AmpState with support to confirm fit and compatibility when you’re rebuilding or expanding panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: 5SY45257\u003c\/li\u003e \u003cli\u003eProduct Type: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 25 A\u003c\/li\u003e \u003cli\u003eVoltage: 230 V\u003c\/li\u003e \u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed circuit breaker in existing Siemens panelboards and load centers where exact part-number matching is critical.\u003c\/li\u003e \u003cli\u003eExpanding or refurbishing electrical distribution setups that rely on Siemens 5SY-series protection devices.\u003c\/li\u003e \u003cli\u003eMaintaining stocked spare inventory for facilities that require quick, reliable replacements to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure whether this is the right part for your panel, remember: \u003cstrong\u003eAmpState can help you confirm fit\u003c\/strong\u003e. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413003849890,"sku":"5SY45257","price":480.0,"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-5sy45257-25a-230v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}