{"product_id":"siemens-he3a090-circuit-breaker","title":"Siemens | HE3A090 | Circuit Breaker | 90A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HE3A090 Circuit Breaker is a robust protection solution engineered for demanding industrial power systems. This 3-pole, 90A device operates at 480V and uses a bolt-on mounting for quick, secure installation in compatible panels. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the HE3A090 delivers reliable overcurrent protection with a straightforward installation process.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens HE3A090 for your power distribution\u003c\/h3\u003e\n\u003cp\u003eWhat sets this breaker apart is its bolt-on design, enabling fast and secure field installation in panels that require a 3-pole, 90A, 480V protective device. Siemens is known for consistent trip characteristics and durable construction, helping to minimize nuisance trips and maximize panel uptime in demanding environments.\u003c\/p\u003e \u003ch3\u003eCompatibility and ordering notes\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so compare HE3A090 to your panel’s documented requirements and bus configuration to ensure a seamless swap.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: swap aging or failed breakers in 480V, 3-pole layouts to restore reliable circuit protection with minimal downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade legacy panels to contemporary protection standards while preserving existing wiring and bus arrangements.\u003c\/li\u003e \u003cli\u003eReplacement: perform exact-spec replacements in systems that originally spec’d HE3A090 or equivalent Siemens bolt-on breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor facilities and equipment where precise protection, durable construction, and straightforward installation matter, the Siemens HE3A090 3-Pole, 90A, 480V bolt-on circuit breaker is a dependable choice. Verify the part number and ratings to ensure a perfect match for your panel and application.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427177025698,"sku":"HE3A090","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-he3a090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}