{"product_id":"siemens-ef2s100-circuit-breaker","title":"Siemens | EF2S100 | Circuit Breaker | 100A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens EF2S100 circuit breaker is a genuine Siemens unit engineered for reliability in 100A, 2-pole, 600V electrical systems. It’s the smart choice for maintenance, retrofit, and replacement projects where exact specifications matter and downtime matters less.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EF2S100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number EF2S100 is the best reference for compatibility with your panel or distribution setup.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Siemens component:\u003c\/strong\u003e Built to integrate seamlessly with Siemens panels and distribution systems, helping maintain performance and warranty consistency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole protection:\u003c\/strong\u003e Simultaneously disconnects both conductors in a 600V circuit, reducing arc exposure and keeping maintenance safer.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpec-accurate replacement:\u003c\/strong\u003e Precisely matches a 100A, 2-pole, 600V specification, making it ideal for older installations or panel upgrades that require a specific rating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e Clear part-number identification streamlines ordering, inventory, and service planning for technicians and facility managers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 100A, 2-pole breaker in Siemens or compatible distribution panels.\u003c\/li\u003e \u003cli\u003eRetrofitting electrical cabinets or switchgear in commercial or light industrial environments that operate at 600V.\u003c\/li\u003e \u003cli\u003eRoutine maintenance schedules that require precise, OEM-grade components to minimize mismatch risks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the panel labeling and service ratings before purchase; EF2S100 is the best compatibility reference.\u003c\/li\u003e \u003cli\u003ePower down the panel and follow lockout\/tagout procedures before replacing the breaker.\u003c\/li\u003e \u003cli\u003eStore replacement breakers in clean, dry conditions to prevent deformation or corrosion before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427523383458,"sku":"EF2S100","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-ef2s100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}