{"product_id":"eaton-ckd3400f-circuit-breaker","title":"Eaton | CKD3400F | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton CKD3400F — a genuine circuit breaker built to protect critical commercial and industrial electrical circuits with reliability and precision. With a 400 A rating, a 3-pole configuration, and a 600 V rating, this unit is designed to deliver dependable overcurrent protection in demanding installation environments.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart number: CKD3400F\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this matters for your project\u003c\/h2\u003e\n\u003cp\u003eFor maintenance, retrofit, or replacement work, matching exact specifications is essential to maintain safe, compliant operation. The CKD3400F is designed to fit Eaton-compatible panels and gear, ensuring proper fit and coordinated protection. Use the part number as the definitive reference for compatibility, and always confirm the fit and ratings before ordering.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofits: swap in the CKD3400F to restore protected circuits in existing Eaton-based distributions without workflow disruption\u003c\/li\u003e \u003cli\u003eMaintenance replacements: quickly source a proven 3-pole, 600 V device to minimize downtime\u003c\/li\u003e \u003cli\u003ePanel modernization: upgrade protection in 400 A, 3-pole zones within commercial or light industrial panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTips for a smooth installation\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify that your equipment is labeled for a 400 A, 3-pole, 600 V device and that CKD3400F matches the required specifications\u003c\/li\u003e \u003cli\u003eCross-check the panel’s documentation to ensure the CKD3400F is the correct replacement part\u003c\/li\u003e \u003cli\u003eFollow proper lockout\/tagout procedures and de-energize circuits before replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426714341538,"sku":"CKD3400F","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/eaton-ckd3400f-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}