{"product_id":"siemens-e43-b080-80a-3p-480v-circuit-breaker","title":"Siemens E43-B080 Circuit Breaker, 80A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens E43-B080 Circuit Breaker delivers dependable protection for three-phase, 480V industrial power systems. This 80 A, 3-pole unit is purpose-built for industrial electrical service, maintenance, and replacement projects. As part of the Case Breaker E4 series, it provides a reliable, drop-in solution for compatible panels—just verify fit with the exact part number: E43-B080.\u003c\/p\u003e \u003ch3\u003eWhy choose the E43-B080 for your panel\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e delivers balanced protection for three-phase distribution, safeguarding motors, feeders, and MCC inputs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e80 A rating\u003c\/strong\u003e targets medium-to-high load circuits common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V operation\u003c\/strong\u003e supports typical industrial equipment such as motors, pumps, conveyors, and control feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCase Breaker E4 series compatibility\u003c\/strong\u003e aligns with existing E4 panels and accessories for straightforward substitution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number-driven fit\u003c\/strong\u003e precise compatibility is confirmed by using the exact model: E43-B080.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in established E4-series control panels and distribution panels.\u003c\/li\u003e \u003cli\u003eUpgrades or servicing of industrial electrical gear in manufacturing lines, HVAC systems, and packaging machinery.\u003c\/li\u003e \u003cli\u003eMotor control center feeders and three-phase power feeds that require reliable overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and practical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify compatibility by part number: E43-B080 should match your panel model and application requirements.\u003c\/li\u003e \u003cli\u003eConfirm three-phase 480V service and the 3-pole configuration before installation.\u003c\/li\u003e \u003cli\u003eEnsure the breaker is used within the Case Breaker E4 series ecosystem and paired with appropriate bus connections and enclosure specs.\u003c\/li\u003e \u003cli\u003eFollow electrical codes and manufacturer guidelines, and engage a licensed electrician to perform installation or replacement tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who manage industrial power systems, the Siemens E43-B080 offers precise, reliable protection where it matters most. If you’re maintaining or upgrading an E4-series installation, this 80 A, 3-pole, 480V circuit breaker is built to integrate smoothly, provide robust fault protection, and keep your equipment running with minimal downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416016507042,"sku":"E43-B080","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-e43-b080-circuit-breaker-80a-3-pole-480v-breakers-785.webp?v=1789224861","url":"https:\/\/www.ampstate.com\/products\/siemens-e43-b080-80a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}