{"product_id":"siemens-ed43b110-110a-480v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED43B110 - 110 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable branch circuit protection, the Siemens ED43B110 is a 110A, 480V, 3-pole bolt-on molded case circuit breaker designed to guard panelboards and load centers from overcurrent and short circuits. This unit delivers a stable, repeatable protection profile that aligns with Siemens OEM systems, ensuring seamless integration across installations.\u003c\/p\u003e \u003ch2\u003eKey advantages\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, reducing movement and wear in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines temperature-based overload protection with a fast magnetic trip for instantaneous short-circuit interruption, helping you avoid cascading failures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching Siemens OEM load centers and panelboards, simplifying upgrades and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 480V configuration\u003c\/strong\u003e ideal for 3-phase electrical systems found in residential, commercial, and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\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 ED43B110\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 110A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480V\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 \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards in light commercial spaces where 3-phase 480V power is standard.\u003c\/li\u003e \u003cli\u003eReplacing aging or failed breakers in Siemens-compatible OEM panels to restore reliable protection.\u003c\/li\u003e \u003cli\u003eProtecting critical circuits in office buildings, retail environments, data\/telecom rooms, and light manufacturing facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation considerations\u003c\/h2\u003e\n\u003cp\u003eDesigned for seamless integration, the ED43B110 is compatible with matching OEM load centers and panelboards. Its bolt-on mounting supports a secure, long-lasting connection, minimizing vibration-related wear in installations subject to movement or temperature cycling. When planning replacements or upgrades, verify that your enclosure supports 3-pole 480V molded case breakers and that the ED43B110’s amperage rating aligns with the protected circuit's requirements.\u003c\/p\u003e \u003ch2\u003eWhy this matters\u003c\/h2\u003e\n\u003cp\u003eChoosing the Siemens ED43B110 means: - Clear protection for critical loads with a reliable thermal-magnetic trip that reduces nuisance trips while still delivering fast response to short circuits.\n- A design that fits neatly into existing Siemens panel ecosystems, lowering installation time and compatibility concerns.\n- Durable construction designed for ongoing service in environments subject to vibration and electrical stress, helping you minimize maintenance and downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349790347426,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed43b110-110-a-480-v-3-pole-bolt-on-circuit-breaker-941.webp?v=1788727786","url":"https:\/\/www.ampstate.com\/products\/siemens-ed43b110-110a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}