{"product_id":"siemens-hed42b100l-circuit-breaker","title":"Siemens | HED42B100L | Circuit Breaker | 100A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED42B100L Circuit Breaker delivers solid, dependable protection for 480V electrical systems. With a 100A rating and 2-pole configuration, this device is built to guard critical circuits in commercial and light industrial environments, powering machinery, panels, and distribution networks with confidence. Designed for maintenance, retrofit, and replacement projects, it’s a practical choice when you need a reliable, compatible solution that aligns with Siemens standards.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED42B100L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication context:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens HED42B100L\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongprecise compatibility:\u003e The HED42B100L is the best reference for ensuring the correct form, fit, and ratings in Siemens-compatible panels and distribution setups.\u003c\/strongprecise\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongdurable reliable protection:\u003e Built to perform in demanding 480V systems, helping prevent unexpected downtime and protecting downstream equipment.\u003c\/strongdurable\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongholistic maintenance solution:\u003e Ideal for retrofit projects or when upgrading legacy gear, offering a straightforward path to restore protected circuits to full operation.\u003c\/strongholistic\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongclear actionable fit guidance:\u003e The part number serves as your quickest, most reliable compatibility check during ordering and inventory planning.\u003c\/strongclear\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading 480V distribution panels in manufacturing or facility infrastructure where Siemens components are standard.\u003c\/li\u003e \u003cli\u003eReplacing aging or worn breakers in service panels to restore protection and reliability.\u003c\/li\u003e \u003cli\u003eExecuting retrofit projects that require exact 100A, 2-pole, 480V specifications without changing surrounding hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and compatibility\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering—use the part number HED42B100L as the primary compatibility reference.\u003c\/li\u003e \u003cli\u003eVerify that the panel labeling and system voltage align with a 480V, 2-pole protection strategy.\u003c\/li\u003e \u003cli\u003eFollow manufacturer installation guidelines to ensure secure terminations and proper protection for the protected circuit.\u003c\/li\u003e \u003cli\u003ePlan retrofits with matching circuit protection to maintain system coordination and overcurrent protection standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425634078882,"sku":"HED42B100L","price":632.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b100l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}