{"product_id":"siemens-eh3s150-circuit-breaker","title":"Siemens | EH3S150 | Circuit Breaker | 150A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens EH3S150 circuit breaker delivers dependable three-phase protection for demanding electrical installations. With a 150A rating, 3-Pole construction, and 480V operating capacity, it’s designed for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EH3S150\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this EH3S150 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise compatibility with Siemens panels engineered to accept the EH3S family, ensuring proper fit, mounting, and electrical characteristics.\u003c\/li\u003e \u003cli\u003eStraightforward maintenance and replacement: a direct, drop-in solution for 150A, 480V three-phase protection.\u003c\/li\u003e \u003cli\u003eReliable protection for industrial loads such as motors, conveyors, and distribution circuits, helping minimize downtime and equipment damage.\u003c\/li\u003e \u003cli\u003eWell-suited for retrofit projects aiming to modernize protection while preserving existing panel architecture.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or repairing large three-phase feeders in manufacturing facilities operated at 480V.\u003c\/li\u003e \u003cli\u003eRetrofits in existing Siemens-compatible electrical panels that require a 150A, 3-pole device.\u003c\/li\u003e \u003cli\u003eMaintenance replacements for aging protection hardware in industrial plants.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, double-check the electrical ratings on your panel labeling and confirm that your equipment expects an EH3S-series device. Keep the part number EH3S150 on file to ensure exact compatibility during future replacements. Follow standard electrical safety practices and consult your panel documentation for mounting guidance.\u003c\/p\u003e \u003cp\u003eChoosing the EH3S150 means aligning with Siemens’ design intent: robust three-phase protection, reliable performance, and a streamlined path to replacement in critical 150A, 480V circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427521548450,"sku":"EH3S150","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-eh3s150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}