{"product_id":"eaton-hldb3400x-circuit-breaker","title":"Eaton | HLDB3400X | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton \u003cstrong\u003eHLDB3400X\u003c\/strong\u003e Circuit Breaker—the dependable choice for high-demand electrical systems that need precise current protection and easy replacement. With a \u003cstrong\u003e400A\u003c\/strong\u003e rating across \u003cstrong\u003e3 poles\u003c\/strong\u003e and a \u003cstrong\u003e600V\u003c\/strong\u003e maximum, this unit is engineered to handle the loads of modern three-phase distribution while maintaining clear, repeatable trip characteristics.\u003c\/p\u003e \u003cp\u003eKey features that matter in real-world installations:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e400A continuous current rating for robust main protection\u003c\/li\u003e \u003cli\u003e3-pole design to safeguard three-phase circuits\u003c\/li\u003e \u003cli\u003e600V maximum operating voltage suitable for commercial and industrial panels\u003c\/li\u003e \u003cli\u003eExact compatibility driven by part number \u003cstrong\u003eHLDB3400X\u003c\/strong\u003e, ideal for retrofit and replacement—confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal uses and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: swap-in replacement parts that match existing panel specifications to minimize downtime\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or modernize electrical distribution without reconfiguring surrounding hardware\u003c\/li\u003e \u003cli\u003eRepairs: address tripped circuits quickly by replacing a failed breaker with the same amperage and pole configuration\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this HLDB series breaker stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReliability in industrial environments: designed to sustain repeated operation under rigorous loads\u003c\/li\u003e \u003cli\u003eClear compatibility path: using the exact part number HLDB3400X reduces questions about fit and ratings\u003c\/li\u003e \u003cli\u003eThree-phase protection aligned with common commercial power systems, helping prevent unbalanced loads and equipment damage\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for ordering and installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore you buy, verify that HLDB3400X matches your panel’s model and rating requirements—this part number is the best reference for compatibility\u003c\/li\u003e \u003cli\u003eCheck that your system is a three-phase setup compatible with a 400A, 3-pole, 600V breaker\u003c\/li\u003e \u003cli\u003ePrepare for replacement by aligning mounting style and bus connections with the existing breaker to minimize install time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426240483490,"sku":"HLDB3400X","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hldb3400x-circuit-breaker-400a-3-pole-600v-808.webp?v=1789541157","url":"https:\/\/www.ampstate.com\/products\/eaton-hldb3400x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}