{"product_id":"siemens-sjd69400ngth-circuit-breaker","title":"Siemens | SJD69400NGTH | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SJD69400NGTH Circuit Breaker—a purpose-built, high-current protection solution designed for demanding industrial power systems. With a robust 400A rating, this 3-pole device delivers reliable three-phase protection in environments where uptime and safety matter most. Built for bolt-on mounting, it provides a secure, vibration-resistant connection that stands up to the rigors of busy electrical panels.\u003c\/p\u003e \u003cp\u003eThis unit is specifically identified by the part number SJD69400NGTH, making it the best reference for compatibility when you’re maintenance, retrofit, or replacement-focused. It’s engineered to handle a 600V operational environment, aligning with common industrial distributions and ensuring consistent protection for critical loads.\u003c\/p\u003e \u003ch3\u003eKey features 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 reference:\u003c\/strong\u003e SJD69400NGTH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use cases:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible Siemens panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this bolt-on breaker stands out\u003c\/h3\u003e\n\u003cp\u003eWhether you’re upgrading a system to handle higher loads or replacing a worn-out unit, the SJD69400NGTH offers a dependable, field-proven solution. The bolt-on design ensures a solid mechanical grip and durable electrical connections, reducing the risk of loose contacts and improving long-term reliability in industrial settings. The 3-pole configuration provides comprehensive across-the-line protection for three-phase equipment, while the 600V rating covers a broad range of commercial and manufacturing applications.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service to preserve safety and continuity in existing Siemens panels\u003c\/li\u003e \u003cli\u003eRetrofits to accommodate higher-current motor drives, conveyors, and heavy machinery\u003c\/li\u003e \u003cli\u003eReplacement during planned downtime to minimize production interruption\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a precise fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the panel’s ratings and compatibility with the SJD69400NGTH reference. The part number is the most reliable signal for matching this breaker to your Siemens equipment, helping you avoid compatibility pitfalls and unnecessary lead times. If your system requires a 400A, 3-pole, 600V bolt-on protection device, this Siemens breaker is designed to slot in where specified.\u003c\/p\u003e \u003ch3\u003eInstallation and safety notes\u003c\/h3\u003e\n\u003cp\u003eAdhere to all installation guidelines from the manufacturer. Ensure power is isolated during replacement and secure mounting hardware to maintain safe operation. Keeping a compatible spare on hand can reduce downtime and keep critical processes running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425628115106,"sku":"SJD69400NGTH","price":6924.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd69400ngth-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}