{"product_id":"siemens-hed42b020l-20a-480v-2-pole-bolt-on-circuit-breaker","title":"Siemens HED42B020L - 20 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HED42B020L is a 20A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Its secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping protect critical electrical infrastructure from faults and nuisance trips in challenging environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays put through equipment movement and temperature shifts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable overcurrent and short-circuit protection, so you can trust the breaker to respond consistently when it’s needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design at 20A \/ 480V\u003c\/strong\u003e protects both conductors in higher-voltage circuits, ideal for commercial and light industrial distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Siemens OEM load centers and panelboards for a seamless, code-compliant installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where reliable protection matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens HED42B020L, you get a practical, purpose-built solution for dependable branch circuit protection. Its bolt-on approach simplifies retrofits and new installations alike, delivering a durable connection and predictable trip performance that reduces downtime and protects wiring and equipment from faults.\u003c\/p\u003e \u003ch3\u003eUse cases and applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew panel installations in commercial or light industrial facilities using 480V distribution.\u003c\/li\u003e \u003cli\u003eUpgrades to protect branch circuits in existing panelboards requiring a robust 2-pole, 20A breaker.\u003c\/li\u003e \u003cli\u003eRetrofits in equipment racks or switchgear where a secure, vibration-resistant breaker is advantageous.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical highlights\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 HED42B020L\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 20A\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 2\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349799850146,"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_bf08eb3e-e098-4736-8d75-74884920b17c.png?v=1764157162","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b020l-20a-480v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}