{"product_id":"hed43b080-siemens-molded-case-circuit-breaker-bolt-on-80-amp-3-pole-480-volt","title":"Siemens HED43B080 Molded Case Circuit Breaker | 80A 3-Pole 480V Bolt-On","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eSiemens HED43B080 – 80 Amp 3-Pole 480V Bolt-On Molded Case Circuit Breaker\u003c\/h2\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eSiemens HED43B080\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003ethermal magnetic molded case circuit breaker (MCCB)\u003c\/strong\u003e engineered for reliable overcurrent and short-circuit protection in commercial and industrial power distribution systems. With an \u003cstrong\u003e80-amp continuous rating\u003c\/strong\u003e, \u003cstrong\u003e3-pole configuration\u003c\/strong\u003e, and \u003cstrong\u003e480VAC voltage rating\u003c\/strong\u003e, this breaker is built to handle demanding three-phase applications with precision and durability.\u003c\/p\u003e\n\n  \u003ch2\u003eKey Specifications\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HED43B080\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal Magnetic Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 80A (80 Amps)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480VAC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 42kAIC at 480V\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTrip Functions:\u003c\/strong\u003e Long-Time \u0026amp; Instantaneous\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Siemens HED (Heavy-Duty Electronic)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used \/ Tested\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhat Is a Molded Case Circuit Breaker (MCCB)?\u003c\/h2\u003e\n  \u003cp\u003eA \u003cstrong\u003emolded case circuit breaker (MCCB)\u003c\/strong\u003e is a type of electrical protection device used to safeguard circuits against overloads and short circuits. Unlike standard breakers, MCCBs offer higher current ratings, adjustable trip settings, and superior interrupting capacities — making them the preferred choice for industrial switchgear, motor control centers (MCCs), and commercial distribution panels.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy Choose the Siemens HED43B080?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e42kAIC Interrupting Rating:\u003c\/strong\u003e Handles high fault currents safely, protecting equipment and personnel in demanding industrial environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBolt-On Design:\u003c\/strong\u003e Provides a secure, vibration-resistant connection ideal for panelboards and switchgear requiring stable mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThermal Magnetic Trip Mechanism:\u003c\/strong\u003e Delivers dual-mode protection — thermal elements respond to sustained overloads, while magnetic elements respond instantly to short-circuit events.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3-Pole Configuration:\u003c\/strong\u003e Protects all three phases simultaneously in three-phase power systems, ensuring balanced and complete circuit protection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSiemens Reliability:\u003c\/strong\u003e Built to ANSI\/UL 489 standards, ensuring code compliance and long service life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eCommon Applications\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eIndustrial motor protection and motor control centers (MCCs)\u003c\/li\u003e\n    \u003cli\u003eCommercial and industrial panelboards\u003c\/li\u003e\n    \u003cli\u003eThree-phase power distribution systems\u003c\/li\u003e\n    \u003cli\u003eHVAC and mechanical equipment circuits\u003c\/li\u003e\n    \u003cli\u003eManufacturing plant electrical systems\u003c\/li\u003e\n    \u003cli\u003eSwitchgear assemblies and load centers\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003ch3\u003eWhat does \"bolt-on\" mean in a circuit breaker?\u003c\/h3\u003e\n  \u003cp\u003eA \u003cstrong\u003ebolt-on circuit breaker\u003c\/strong\u003e connects directly to the bus bar of a panelboard using bolts, providing a more rigid and secure connection compared to plug-in breakers. This design is preferred in high-vibration environments and heavy-duty industrial applications where a stable electrical connection is critical.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat is the interrupting rating of the HED43B080?\u003c\/h3\u003e\n  \u003cp\u003eThe Siemens HED43B080 has an interrupting capacity of \u003cstrong\u003e42kAIC (42,000 Amperes Interrupting Capacity)\u003c\/strong\u003e at 480V. This rating indicates the maximum fault current the breaker can safely interrupt without damage.\u003c\/p\u003e\n\n  \u003ch3\u003eIs the HED43B080 compatible with Siemens panelboards?\u003c\/h3\u003e\n  \u003cp\u003eYes. The HED43B080 is designed for use with compatible \u003cstrong\u003eSiemens bolt-on panelboards and switchgear\u003c\/strong\u003e. Always verify compatibility with your specific panel model before installation.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat condition is this unit in?\u003c\/h3\u003e\n  \u003cp\u003eThis unit is sold as \u003cstrong\u003eused\/tested\u003c\/strong\u003e. At Alpha Brokers \u0026amp; Controls, all used breakers are inspected to ensure proper functionality before listing.\u003c\/p\u003e\n\n  \u003ch2\u003eAbout Alpha Brokers \u0026amp; Controls\u003c\/h2\u003e\n  \u003cp\u003eAlpha Brokers \u0026amp; Controls specializes in sourcing hard-to-find, surplus, and reconditioned electrical components from trusted manufacturers like Siemens, Square D, Allen Bradley, and more. We help electrical contractors, maintenance teams, and facility managers get the parts they need — fast, reliably, and at competitive prices.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Used","offer_id":48396206702840,"sku":"HED43B080-U","price":234.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/Photoroom_20260210_195039.jpg?v=1778795155","url":"https:\/\/alphabreakersandcontrols.com\/products\/hed43b080-siemens-molded-case-circuit-breaker-bolt-on-80-amp-3-pole-480-volt","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}