{"product_id":"siemens-5sy4218-7-15a-2p-400v-circuit-breaker","title":"Siemens 5SY4218-7 15A 2P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 5SY4218-7 15A 2P 400V Circuit Breaker is designed for dependable, everyday electrical protection in panelboards, load centers, and distributed electrical systems. With a direct part-number match that makes sourcing straightforward, this breaker is a smart choice for maintenance teams, panel builders, and spare inventory where reliability matters most.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTwo-pole design for balanced protection across both legs of a 400V distribution system\u003c\/li\u003e \u003cli\u003e15 ampere rating provides precise protection for circuits that require reliable overcurrent interruption\u003c\/li\u003e \u003cli\u003eDirect part-number compatibility (5SY4218-7) simplifies procurement, reducing downtime during replacements\u003c\/li\u003e \u003cli\u003eSpecifically suited for panelboards and load centers in electrical distribution networks\u003c\/li\u003e \u003cli\u003eAvailable from AmpState, making it easy to maintain a ready-to-install stock for ongoing projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\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 5SY4218-7\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 15 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 400V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eEngineered for electrical distribution networks, this 2P 15A breaker is a reliable choice for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanelboard and load center replacements where a direct part-number match is required\u003c\/li\u003e \u003cli\u003eMaintenance stock for service vans and job sites, ensuring quick, compatible swaps\u003c\/li\u003e \u003cli\u003eNew installations in 400V AC distribution systems where compact, dependable protection is needed\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore installation, verify that your panelboard or distribution equipment supports 400V, and confirm that a 2-pole configuration aligns with the protected circuit. If you’re replacing an existing 5SY4218-7, this unit offers a straightforward, drop-in replacement to minimize downtime. Handle all electrical work with standard safety precautions and follow manufacturer guidelines for torque and termination.\u003c\/p\u003e \u003ch3\u003eWhy choose AmpState\u003c\/h3\u003e\n\u003cp\u003eAmpState stocks this Siemens 5SY4218-7 to help professionals keep critical inventory on hand. With exact part-number compatibility and ready-to-ship availability, you can confidently source a trusted component for routine maintenance or urgent repairs without guesswork.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413646233762,"sku":"5SY4218-7","price":300.0,"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-5sy4218-7-15a-2p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}