{"product_id":"eaton-cutler-hammer-hkd3400-400a-3p-600v-circuit-breaker","title":"Eaton Cutler-Hammer HKD3400 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton Cutler-Hammer HKD3400, a robust 400 A, 3-pole, 600 V circuit breaker engineered for reliable protection in panelboards, load centers, and electrical distribution networks. When your retrofit or maintenance plan requires a consistent part number, the HKD3400 is the dependable choice that keeps your system aligned with existing wiring and enclosures.\u003c\/p\u003e \u003cp\u003eDesigned for environments where downtime is costly, this breaker slots into standard HKD3400-compatible assemblies, enabling quick replacements without reconfiguring panels or labels. This exact-fit compatibility translates to faster procurement, simpler stocking, and reduced risk during upgrades.\u003c\/p\u003e \u003ch2\u003eWhere this breaker truly shines\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit for HKD3400 installations:\u003c\/strong\u003e Maintains compatibility with your Eaton Cutler-Hammer panelboards and distribution gear, preserving wiring layouts and trip coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 400 A protection:\u003c\/strong\u003e Delivers reliable multi-phase protection across lines, suitable for demanding commercial and light-industrial circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum rating:\u003c\/strong\u003e Supports standard industrial and building distribution voltages, keeping you within safe operating parameters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for retrofit and maintenance planning:\u003c\/strong\u003e Keep your part number consistent during replacements to minimize downtime and documentation changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable from AmpState:\u003c\/strong\u003e Stocked by AmpState and backed by support to confirm fit for your specific panel configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cp\u003eReplace aging breakers in service panels and load centers without changing existing bus arrangements. Plan long-term maintenance with a readily available exact-match part, ensuring spare inventory aligns with your current HKD3400 fleet. For facilities with multiple Eaton Cutler-Hammer systems, this breaker simplifies procurement and reduces the risk of incompatible substitutes.\u003c\/p\u003e \u003ch2\u003eWhy choose this over general replacements\u003c\/h2\u003e\n\u003cp\u003eGeneric or non-OEM replacements can disrupt trip curves, labeling, and panel compatibility. The HKD3400 from Eaton Cutler-Hammer is engineered for coordinated protection within the HKD3400 family, delivering predictable response and seamless integration with your distribution network.\u003c\/p\u003e \u003cp\u003eIf you need confirmation of fit for a specific panel or bus configuration, AmpState is ready to assist in verifying compatibility, ensuring you select the exact part you need for uptime and safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410874192034,"sku":"HKD3400","price":10272.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-cutler-hammer-hkd3400-400a-3p-600v-circuit-breaker-ampstate-747.webp?v=1788982468","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-hkd3400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}