{"product_id":"siemens-hnx3b900l","title":"Siemens HNX3B900L 900A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003eSiemens HNX3B900L 900 A 3-Pole 600 V Circuit Breaker is built for serious industrial power protection, delivering reliable shutoff for large three-phase systems. With a 900 A current rating, three poles, and a 600 V maximum voltage, this unit is designed to serve as a main or distribution-protecting breaker in demanding electrical environments. Part Number: HNX3B900L. Key specifications\n\u003cul\u003e \u003cli\u003eCurrent rating: 900 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart Number: HNX3B900L\u003c\/li\u003e\n\u003c\/ul\u003e Why this breaker stands out\n\u003cp\u003eIn high-load facilities, consistent and decisive protection matters. The Siemens HNX3B900L is purpose-built to handle substantial 3-phase feeders with confidence, helping to prevent arc faults and overcurrents from cascading through critical equipment. Its three-pole design simplifies wiring and coordination in large electrical rooms, reducing complexity and enhancing reliability across Siemens-compatible switchgear and panelboards.\u003c\/p\u003e Ideal applications\n\u003cul\u003e \u003cli\u003eMain breaker in large 3-phase distribution panels and switchgear\u003c\/li\u003e \u003cli\u003eProtection for industrial feeders in manufacturing lines and process equipment\u003c\/li\u003e \u003cli\u003ePower disconnect for facilities with high electrical demand, such as data centers or utility rooms\u003c\/li\u003e\n\u003c\/ul\u003e What problems it solves\n\u003cul\u003e \u003cli\u003eProvides centralized protection for a three-phase system, helping to isolate faults quickly and minimize equipment damage\u003c\/li\u003e \u003cli\u003eSupports safe shutdowns of large loads, reducing downtime and maintenance costs\u003c\/li\u003e \u003cli\u003eOffers a standardized, reliable protection strategy within Siemens power distribution ecosystems\u003c\/li\u003e\n\u003c\/ul\u003e Practical considerations and usage tips\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your Siemens panel or switchgear before installation to maintain consistent protection characteristics\u003c\/li\u003e \u003cli\u003eUse as a main disconnect or as a large-feeder protective device in three-phase layouts\u003c\/li\u003e \u003cli\u003eLabel and document the breaker's role within your electrical drawings for clear maintenance and safety protocols\u003c\/li\u003e \u003cli\u003eKeep a spare unit or replacement trip assembly on hand as part of routine maintenance planning for high-demand installations\u003c\/li\u003e\n\u003c\/ul\u003e If you’re upgrading a heavy-load electrical system or designing a robust three-phase power distribution solution, the Siemens HNX3B900L 900 A 3-Pole 600 V Circuit Breaker offers a clear, dependable path to safer, more controllable power protection. Designed around real-world industrial needs, it aligns with Siemens gear for cohesive performance, predictable protection, and long-term reliability.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423586701474,"sku":"HNX3B900L","price":66871.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnx3b900l-900a-3-pole-600-v-circuit-breaker-413.webp?v=1789318006","url":"https:\/\/www.ampstate.com\/products\/siemens-hnx3b900l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}