{"product_id":"siemens-hnx3u100-circuit-breaker","title":"Siemens | HNX3U100 | Circuit Breaker | 1000A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HNX3U100 is a robust, high-current circuit breaker designed for demanding 480V three-phase power distributions. With a 1000A rating and a 3-pole configuration, this unit delivers reliable protection and fast fault isolation in industrial environments where uptime matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HNX3U100\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1000A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement in 480V three-phase systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDistinctive value for industrial teams: this Siemens breaker is designed to integrate with Siemens panels and switchgear, providing a seamless replacement path in high-demand environments. The 3-pole, 480V configuration is ideal for centralized protection of three-phase feeders, helping to isolate faults quickly and protect both equipment and personnel.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong ideal use cases:\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades of legacy 480V panel assemblies in manufacturing facilities\u003c\/li\u003e \u003cli\u003eReplacement for failed 3-pole breakers in heavy machinery lines and material handling systems\u003c\/li\u003e \u003cli\u003ePower feeders for large motors, conveyors, and other high-load equipment in industrial plants\u003c\/li\u003e \u003cli\u003eMaintenance stock for facilities relying on consistent, predictable protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical buying and installation note: before placing an order, verify the exact fit against your electrical schematics and enclosure catalog. The HNX3U100 is the best reference for compatibility, ensuring you match amperage, pole count, and voltage to your equipment. If there’s any doubt, consult your panel documentation or a Siemens-approved distributor to confirm correct ordering.\u003c\/p\u003e \u003cp\u003eSafety and handling: installation or replacement should be performed by a qualified electrician. Always de-energize equipment and follow local electrical codes and lockout\/tagout procedures to protect personnel and prevent damage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427073478818,"sku":"HNX3U100","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnx3u100-circuit-breaker-1000a-3-pole-480v-571.webp?v=1789668248","url":"https:\/\/www.ampstate.com\/products\/siemens-hnx3u100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}