{"product_id":"siemens-hed43b030-30a-480v-3-pole-bolt-on-circuit-breaker","title":"Siemens HED43B030 - 30 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED43B030 is a 30A, 480V, 3-pole bolt-on molded case circuit breaker purpose-built to protect your distribution system. Engineered for dependable branch circuit overcurrent and short-circuit protection, it fits seamlessly into panelboards and loadcenters that rely on Siemens’ matched engineering for consistent performance.\u003c\/p\u003e \u003ch2\u003eSecure bolt-on mounting for a rugged, vibration-resistant connection\u003c\/h2\u003e\n\u003cp\u003eThe bolt-on mounting style delivers a firm, vibration-resistant bus connection, helping maintain reliable electrical continuity in environments where equipment may experience movement or vibration. This means fewer loose connections and steadier protection over time.\u003c\/p\u003e \u003ch2\u003eThermal-magnetic trip unit for stable, repeatable protection\u003c\/h2\u003e\n\u003cp\u003eEquipped with a thermal-magnetic trip mechanism, this breaker provides coordinated protection against both overloads and short circuits. The thermal element handles gradual heating, while the magnetic element provides instantaneous response to high-current faults, delivering precise protection without nuisance trips.\u003c\/p\u003e \u003ch2\u003eDesigned to work within Siemens OEM ecosystems\u003c\/h2\u003e\n\u003cp\u003eCompatible with matching OEM loadcenters and panelboards, the HED43B030 ensures consistent trip characteristics and a clean, unified protection scheme across your electrical distribution. This compatibility minimizes installation guesswork and maximizes reliability.\u003c\/p\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cp\u003eSpecifically suited for residential, commercial, and light industrial settings that require robust 30A protection on three-phase 480V systems. Use it to safeguard feeders, equipment circuits, or motor-driven loads in compact to mid-size facilities, where dependable protection and quick fault isolation are essential.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\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 HED43B030\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 30A\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 \u003cp\u003eWith Siemens HED43B030, you’re choosing a solution built to deliver consistent protection, durable performance, and straightforward compatibility across your three-phase, high-voltage distribution needs. It’s a purposeful choice for professionals who value precise protection, reliable operation, and a clean, integrated electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349801291938,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed43b030-30-a-480-v-3-pole-bolt-on-circuit-breaker-292.webp?v=1788729858","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b030-30a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}