{"product_id":"siemens-shjd69400-circuit-breaker","title":"Siemens | SHJD69400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens SHJD69400\u003c\/strong\u003e circuit breaker delivers reliable overcurrent protection for demanding three-phase power systems. Engineered for \u003cstrong\u003e400A\u003c\/strong\u003e service, this \u003cstrong\u003e3-Pole\u003c\/strong\u003e device is built to safeguard heavy loads in commercial and industrial environments operating at \u003cstrong\u003e600V\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specifications matter, the SHJD69400 provides a precise fit for compatible panels and assemblies. The part number \u003cstrong\u003eSHJD69400\u003c\/strong\u003e is the clearest reference for compatibility, helping you prevent mismatches in critical electrical installations.\u003c\/p\u003e \u003ch3\u003eKey specifications\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\u003eReference:\u003c\/strong\u003e Part number SHJD69400 for optimal compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication note:\u003c\/strong\u003e Confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, this Siemens unit is designed to integrate smoothly with Siemens electrical infrastructure, delivering consistent protection across three phases. The 400A rating makes it well-suited for high-demand feeders and motor circuits, reducing the risk of downstream equipment damage during fault events. With a 3-Pole configuration, you gain balanced protection across all phases—crucial for reliable operation of three-phase motors, drives, and large HVAC systems.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting a three-phase distribution circuit in commercial or light industrial panels\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 400A, 3-Pole, 600V breaker is required to match existing protection schemes\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original protection levels without compromising system compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep \u003cstrong\u003eSHJD69400\u003c\/strong\u003e as your reference when assessing replacements to ensure exact compatibility\u003c\/li\u003e \u003cli\u003eVerify that your panel and bus ratings align with \u003cstrong\u003e600V\u003c\/strong\u003e and \u003cstrong\u003e400A\u003c\/strong\u003e specifications before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor dependable, high-current protection in three-phase power networks, the Siemens SHJD69400 400A 3-Pole 600V circuit breaker provides a precise, trustworthy solution backed by Siemens reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424792465570,"sku":"SHJD69400","price":9189.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-shjd69400-circuit-breaker-400a-3-pole-600v-263.webp?v=1789414840","url":"https:\/\/www.ampstate.com\/products\/siemens-shjd69400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}