{"product_id":"siemens-sjd69400gh-circuit-breaker","title":"Siemens | SJD69400GH | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SJD69400GH, a robust 400A, 3-Pole circuit breaker built for demanding 3-phase systems. Engineered by Siemens, this unit is designed for maintenance, retrofit, and replacement scenarios where exact spec matching is essential, helping you protect critical equipment and keep facilities running smoothly.\u003c\/p\u003e \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\u003eReference compatibility:\u003c\/strong\u003e Part number SJD69400GH serves as the best reference for fit and compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e maintenance, retrofit, and replacement in three-phase, 600V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned to deliver reliable protection in industrial and commercial environments, the SJD69400GH pairs precise 400-amp protection with a solid three-pole configuration. Its 600-volt rating makes it suitable for high-demand machinery, HVAC systems, and other equipment that rely on stable, three-phase power. Because it’s a Siemens part, you gain predictable trip performance and seamless integration with compatible panels and protective devices.\u003c\/p\u003e \u003ch3\u003eSmart ways to use this breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-Pole, 600V breaker in an existing panel to restore line protection for a 3-phase circuit\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to modern, compatible Siemens protection is required\u003c\/li\u003e \u003cli\u003eStocking a spare for critical facilities that depend on uninterrupted power to essential loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eTo ensure a flawless fit, verify the exact panel and current rating before ordering. The SJD69400GH part number is the strongest reference for compatibility, so cross-check it against your panel label or service documentation. When replacing, follow standard safety procedures for circuit work, and confirm that the system voltage and three-phase configuration match the 600V, 3-Pole specifications.\u003c\/p\u003e \u003ch3\u003ePractical guidance for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare 400A, 3-Pole, 600V breaker on hand for critical infrastructure—tiresome downtime is costly when a single component fails\u003c\/li\u003e \u003cli\u003eDocument the replacement with the exact part number (SJD69400GH) to simplify future maintenance or audits\u003c\/li\u003e \u003cli\u003eUse in environments that require robust protection for high-current loads while maintaining reliable trip behavior and trip time characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427467612322,"sku":"SJD69400GH","price":16734.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-sjd69400gh-circuit-breaker-400a-3-pole-600v-948.webp?v=1789726851","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd69400gh-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}