{"product_id":"siemens-shjd69400ngt-circuit-breaker","title":"Siemens | SHJD69400NGT | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SHJD69400NGT, a rugged circuit breaker built for high-demand panels and retrofit projects. With a 400A rating, 3-pole configuration, and a 600V design, this bolt-on breaker delivers dependable protection for three-phase power systems while simplifying installation and service in compatible Siemens enclosures.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\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\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e SHJD69400NGT\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement in compatible panels, ensuring a seamless upgrade path for existing installations.\u003c\/li\u003e \u003cli\u003eThe bolt-on design provides a solid mechanical connection, helping to minimize loose connections and nuisance trips in demanding environments.\u003c\/li\u003e \u003cli\u003e3-pole configuration supports balanced three-phase protection, making it ideal for commercial and industrial power distribution up to 600V.\u003c\/li\u003e \u003cli\u003eBacked by Siemens engineering, this unit is purpose-built to fit within systems that require precise ratings and a durable, serviceable main protection device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or obsolete breakers in large commercial or industrial panels that operate on three-phase power.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 400A, 3-pole, bolt-on solution is needed to restore reliable protection and uptime.\u003c\/li\u003e \u003cli\u003eNew installations that require mounting a high-current breaker with a robust, secure bolt-on connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. The part number SHJD69400NGT is the best reference for compatibility, ensuring the breaker matches your system’s design and protection requirements.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCross-check the panel documentation to verify that a 400A, 3-pole, 600V bolt-on breaker is supported in your enclosure.\u003c\/li\u003e \u003cli\u003eInspect bus connections and conductors to ensure they are rated for 400A to maintain optimal protection and avoid overheating.\u003c\/li\u003e \u003cli\u003eKeep a spare SHJD69400NGT on hand for planned maintenance or rapid replacement, minimizing panel downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425631096994,"sku":"SHJD69400NGT","price":23682.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-shjd69400ngt-circuit-breaker-400a-3-pole-600v-bolt-427.webp?v=1789433700","url":"https:\/\/www.ampstate.com\/products\/siemens-shjd69400ngt-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}