{"product_id":"siemens-hnd63b120l-circuit-breaker","title":"Siemens | HND63B120L | Circuit Breaker | 1200A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HND63B120L Circuit Breaker\u003c\/strong\u003e is a rugged, high-capacity protection device designed for demanding industrial environments. With a 1200A rating and a 3-pole configuration, this unit is tailored for three-phase power systems and is suitable for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HND63B120L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement to match existing specs\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens breaker stands out: it’s engineered to fit Siemens panels and protection schemes, ensuring seamless integration with your existing electrical infrastructure. The 3-pole design provides balanced protection across all three phases, which is essential for preventing uneven loading and protecting equipment in heavy-load environments. The 1200A capacity is ideal for feeders and distribution paths that carry substantial current, delivering reliable interruption protection when it’s needed most, while the 600V rating covers a broad range of industrial power networks.\u003c\/p\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or retrofitting large industrial panels that serve manufacturing lines, processing equipment, or heavy machinery\u003c\/li\u003e \u003cli\u003eReplacing aging or non-matching breakers in facilities with three-phase electrical systems\u003c\/li\u003e \u003cli\u003eSpecifying a compatible Siemens part for maintenance contracts or service calls to ensure consistent protection profiles\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and fit are critical. Before placing an order, confirm that this exact part number (HND63B120L) aligns with your panel and protection requirements. The part number is the most reliable reference for compatibility and helps avoid mismatches that could impact performance and safety.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the breaker's three-pole arrangement to your service entrance or distribution panel’s bus configuration\u003c\/li\u003e \u003cli\u003eVerify voltage class and current rating align with the feeder and connected loads\u003c\/li\u003e \u003cli\u003eConsult your panel’s documentation or a qualified electrician to confirm proper mounting and wiring practices\u003c\/li\u003e \u003cli\u003eDocument the replacement with the exact part number to simplify future maintenance and procurement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who require dependable, field-proven protection, the Siemens HND63B120L delivers precise, robust performance for high-demand environments. When accuracy in specs and seamless compatibility matter, this 3-pole, 1200A, 600V breaker from Siemens is a reliable choice for safeguarding critical power systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427483308194,"sku":"HND63B120L","price":15055.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnd63b120l-circuit-breaker-1200a-3-pole-600v-646.webp?v=1789729343","url":"https:\/\/www.ampstate.com\/products\/siemens-hnd63b120l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}