{"product_id":"eaton-cutler-hammer-dk3300v-300a-3p-240v-circuit-breaker","title":"Eaton Cutler-Hammer DK3300V 300A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Eaton Cutler-Hammer, the DK3300V is a rugged circuit breaker built for everyday electrical work in panelboards, load centers, and distribution networks. With a 300 A rating across 3 poles at 240 V, it delivers dependable protection for feeders and main circuits in commercial and industrial environments. The 3P design is well-suited for three‑phase systems found in manufacturing, data centers, and large facilities where reliability matters most.\u003c\/p\u003e \u003ch3\u003eWhy this DK3300V stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent part number for retrofit and maintenance\u003c\/strong\u003e: DK3300V keeps your inventory and maintenance logs straightforward, reducing delays when replacements are needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanel and distribution readiness\u003c\/strong\u003e: Designed for use in panelboards, load centers, and electrical distribution setups where robust 300 A protection at 240 V is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility guidance\u003c\/strong\u003e: If you’re unsure about fit, AmpState can help confirm compatibility and ensure you get the right match for your setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable sourcing\u003c\/strong\u003e: Availability through AmpState helps minimize downtime during maintenance or retrofit windows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects that rely on a consistent DK-series part number to simplify ordering and installation.\u003c\/li\u003e \u003cli\u003eMaintenance planning for facilities with three‑phase 240 V distribution, providing solid 300 A protection for feeders powering motors, HVAC equipment, and large loads.\u003c\/li\u003e \u003cli\u003eNew installations in commercial settings where high-amperage protection is essential for safety and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton Cutler-Hammer\u003c\/li\u003e \u003cli\u003ePart Number: DK3300V\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 300 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 240 V\u003c\/li\u003e \u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBefore you buy, consider your panel compatibility and upgrade timeline. If you need help matching a part number or confirming compatibility, message us and we’ll help you confirm fit. This DK3300V is a practical, reliable choice for electricians, facilities managers, and maintenance teams aiming to keep electrical systems protected and downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413676445858,"sku":"DK3300V","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-dk3300v-300a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}