{"product_id":"siemens-hed43b080l-80a-480v-3-pole-bolt-on-circuit-breaker","title":"Siemens HED43B080L - 80 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED43B080L is a rugged 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With an 80-ampere rating and a 480-volt capacity, this breaker is built to handle demanding three-phase systems common in commercial and light industrial environments, while still being suitable for select residential applications that require robust protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that helps maintain consistent electrical continuity in panels subjected to equipment movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by addressing both overload currents and sudden short-circuit events, reducing nuisance trips and improving system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e enables coordinated protection for three-phase distributions, simplifying installation in 480V panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V rated\u003c\/strong\u003e for industrial and commercial power distribution, making it a suitable choice for higher-voltage applications where reliable protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to work with matching Siemens panelboards and load centers, ensuring seamless integration and consistent protection across your distribution system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eUse the HED43B080L in three-phase 480V panelboards and load centers where durable, code-compliant protection is required. It’s a practical choice for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations in commercial spaces such as office buildings, data centers, and retail locations that rely on stable 480V distribution\u003c\/li\u003e \u003cli\u003eLoad-center retrofits or upgrades in light industrial settings where vibration or equipment start-stop cycles demand a secure mechanical connection\u003c\/li\u003e \u003cli\u003eReplacement of older or worn-out breakers in Siemens-compatible panelboards to restore reliable overcurrent protection\u003c\/li\u003e \u003cli\u003eSystems that favor a bolt-on mounting approach for easier serviceability and robust bus connections\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: HED43B080L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating\u003c\/strong\u003e: 80 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style\u003c\/strong\u003e: Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance and longevity, pair the HED43B080L with compatible Siemens panelboards and follow proper bolt-on installation practices. During commissioning, verify the trip characteristics align with system protection requirements and ensure the mounting hardware remains tight to preserve a solid electrical connection. Periodic visual inspections can help detect signs of wear, overheating, or vibration-related issues, allowing for proactive replacement before a fault occurs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349801750690,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_32bcbbab-698e-4a20-8d25-a283e8092138.png?v=1764157222","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b080l-80a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}