{"product_id":"siemens-hnx3b120-circuit-breaker","title":"Siemens | HNX3B120 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover the Siemens HNX3B120 3-Pole Circuit Breaker — a purpose-built solution for protecting three-phase power in maintenance, retrofit, and replacement projects. Designed to match existing Siemens systems, this breaker is calibrated to align with the specific needs of your panel and distribution setup, ensuring dependable protection when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, three-phase protection:\u003c\/strong\u003e Specifically designed to interrupt three conductors simultaneously, making it ideal for 3-phase electrical systems in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility via part reference:\u003c\/strong\u003e The HNX3B120 part number is your strongest reference for matching equipment; always confirm fit and ratings before ordering to avoid downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for maintenance, retrofit, and replacement:\u003c\/strong\u003e A practical choice when upgrading or restoring circuit protection in existing Siemens panels that require this exact specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimplified procurement and installation:\u003c\/strong\u003e Rely on a known Siemens spec to streamline purchasing decisions and minimize installation surprises in service and field projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear guidance on compatibility:\u003c\/strong\u003e Rely on the part number as the primary compatibility signal to ensure you’re selecting the correct breaker for your system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and suitability\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance tasks where aging breakers in three-phase panels need a precise, compatible replacement.\u003c\/li\u003e \u003cli\u003eRetrofit projects that require restoring or upgrading three-phase protection without changing the panel or wiring layout.\u003c\/li\u003e \u003cli\u003eReplacement scenarios in Siemens-controlled installations that explicitly call for a 3-pole HNX3B120 solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant notes for customers\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways verify fit and ratings against your panel documentation before placing an order.\u003c\/li\u003e \u003cli\u003eKeep the HNX3B120 part number handy—the most reliable indicator of compatibility in Siemens systems.\u003c\/li\u003e \u003cli\u003eWhen in doubt, consult a qualified electrician to confirm panel compatibility and proper installation procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424802394274,"sku":"HNX3B120","price":25689.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnx3b120-circuit-breaker-3-pole-738.webp?v=1789415482","url":"https:\/\/www.ampstate.com\/products\/siemens-hnx3b120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}