{"product_id":"siemens-hed43b110l-110a-480v-3-pole-circuit-breaker","title":"Siemens HED43B110L - 110 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED43B110L is a 110A, 480V, 3-pole molded case circuit breaker designed to guard panelboards and loadcenters from overcurrent and short circuits. This compact device is built to tackle demanding branch circuits in residential, commercial, and light industrial environments, delivering reliable protection where it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design:\u003c\/strong\u003e maximizes usable panel space and simplifies installation in tight enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e provides stable, repeatable protection by coordinating overload detection with fast short-circuit interruption for consistent performance across temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e designed to pair with matching Siemens loadcenters and panelboards for a seamless fit and coordinated protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for 480V systems:\u003c\/strong\u003e ideal for three-phase circuits; suitable for residential, commercial, and light industrial applications such as motor loads, HVAC equipment, and power distribution panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical specifications at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HED43B110L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 110 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480 V\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Siemens HED43B110L? It combines a space-efficient form factor with dependable protection characteristics and straightforward compatibility with Siemens panelboards. For electricians upgrading or outfitting 480V three-phase systems in light commercial and residential settings, this 3-pole MCCB delivers reliable protection where it matters most, helping ensure safe, continuous operation of critical electrical equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349802111138,"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_c661fa5f-3686-4f27-9bd1-742f05e64e7c.png?v=1764157231","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b110l-110a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}