{"product_id":"siemens-he3-a005-5a-3p-480v-circuit-breaker","title":"Siemens HE3-A005 Circuit Breaker, 5A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HE3-A005 Circuit Breaker — a robust, industrial-grade protection device engineered for reliability in demanding 3-phase, 480V environments. This 5A, 3-pole breaker fits service, maintenance, and replacement projects where precise protection and straightforward compatibility checks matter most.\u003c\/p\u003e \u003cp\u003eDesigned to safeguard three-phase systems at up to 480 volts, the HE3-A005 delivers dependable interruption and protection across all three conductors. Its 5-ampere rating provides targeted protection for circuits with lighter loads or delicate equipment within a larger 480V distribution network.\u003c\/p\u003e \u003cp\u003eKey advantages:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced protection:\u003c\/strong\u003e Simultaneous switching and protection of all three phases in a 480V system, helping prevent phase imbalances and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise amperage rating:\u003c\/strong\u003e A 5 A rating tailored for specific loads, offering reliable protection without nuisance tripping in properly designed circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability:\u003c\/strong\u003e Siemens build quality engineered to endure the rigors of ongoing maintenance, service, and replacement workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple compatibility verification:\u003c\/strong\u003e Use the part number HE3-A005 to confirm fit for your application — and if you’re unsure, message us and we’ll help verify compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the HE3-A005?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eElectrical maintenance teams upgrading or replacing protective devices in 480V, three-phase panels.\u003c\/li\u003e \u003cli\u003eOEMs and panel builders integrating reliable Siemens components into new equipment.\u003c\/li\u003e \u003cli\u003eFacilities managers seeking a dependable spare for critical service interruptions in industrial facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases include protecting control circuits, feeders, and motors connected to 480V three-phase distribution. When you need consistent, predictable protection across all three legs, the HE3-A005 delivers a straightforward, install-ready solution with clear compatibility requirements.\u003c\/p\u003e \u003cp\u003eNotes: Verify fit by part number and application requirements. If you need help matching a part number or confirming compatibility, send us a message—our team will assist in finding the right match for your system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416050978978,"sku":"HE3-A005","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-he3-a005-circuit-breaker-5a-3-pole-480v-breakers-700.webp?v=1789229548","url":"https:\/\/www.ampstate.com\/products\/siemens-he3-a005-5a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}