{"product_id":"siemens-hed43b020-20a-3p-480v-circuit-breaker","title":"Siemens HED43B020 20A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HED43B020 20A 3P 480V Circuit Breaker—precision protection for your most demanding electrical distribution setups. This Siemens-manufactured device is designed to safeguard panelboards, load centers, and electrical distribution networks with reliable, three-phase isolation at elevated voltages.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out for procurement teams and site engineers: it’s a direct-part-number solution. When inventory accuracy matters, having the exact HED43B020 ensures compatibility with existing panels and reduces the risk of fit or trip-curve mismatches during maintenance or upgrades. AmpState currently stocks this part, making it a dependable option for quick replacements or spare inventories.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HED43B020\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey advantages in real-world use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect part-number fit for Siemens panelboards and load centers, streamlining maintenance and part replacement.\u003c\/li\u003e \u003cli\u003ePrecise 20 A protection for three-phase circuits, ideal for distributing balanced loads in industrial applications.\u003c\/li\u003e \u003cli\u003eSuitable for high-voltage distribution environments where 480V three-phase systems are standard.\u003c\/li\u003e \u003cli\u003eEfficient inventory planning with AmpState availability, reducing downtime when a spare is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and downtime planning for manufacturing floors relying on three-phase 480V distribution.\u003c\/li\u003e \u003cli\u003ePanel building projects requiring exact Siemens components to ensure seamless compatibility with existing gear.\u003c\/li\u003e \u003cli\u003eSpare inventory for facilities that prioritize quick, confirmed-part replacements to minimize disruption.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003eIf you need help confirming fit or verifying a part-number match, our team can assist. \u003cstrong\u003eMessage us\u003c\/strong\u003e to confirm compatibility and ensure this exact Siemens HED43B020 is the right choice for your panel, load center, or distribution layout.\u003c\/p\u003e \u003cp\u003eSecure the precise protection your electrical system demands with the Siemens HED43B020 20A 3P 480V Circuit Breaker—available from AmpState for reliable sourcing and accurate part matching.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989109410,"sku":"HED43B020","price":2264.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b020-20a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}