{"product_id":"lab3400wk-circuit-breaker","title":"LAB3400WK | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe LAB3400WK circuit breaker is an industrial-grade protection device designed to safeguard three-phase power systems up to 600V while handling substantial load with a 400A rating. Built for maintenance, retrofit, and replacement projects, this breaker helps keep critical equipment online and distributed power cleanly protected.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\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 (three-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number LAB3400WK for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the LAB3400WK stands out\u003c\/h2\u003e\n\u003cp\u003eWhen your goal is reliable protection in demanding industrial environments, the LAB3400WK delivers a precise fit for your existing switchgear. Its 3-Pole design supports balanced three-phase protection, making it ideal for large motors, drives, and other high-current loads. With a clear focus on retrofit and replacement work, this breaker minimizes installation hassles and helps you maintain consistent electrical protection without unnecessary modification.\u003c\/p\u003e \u003ch3\u003eUse cases you can count on\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance in active facilities where downtime is costly and quick replacement is essential\u003c\/li\u003e \u003cli\u003eRetrofit projects updating legacy panels to modern, high-current protection standards\u003c\/li\u003e \u003cli\u003eReplacement for aging or failed breakers in 600V, three-phase distributions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and practical considerations\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The LAB3400WK part number is the most reliable reference for ensuring compatibility with your panel and electrical architecture. Before installation, verify that your equipment operates within a 600V, 400A, three-phase environment and that the physical mounting and bus-bar configuration match the breaker’s form factor.\u003c\/p\u003e \u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan replacements during scheduled maintenance windows to minimize disruption\u003c\/li\u003e \u003cli\u003eKeep a spare LAB3400WK on hand for rapid swap-outs in critical lines\u003c\/li\u003e \u003cli\u003eEnsure proper electrical torque and mounting practices per your facility’s standards (electrical safety first)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor projects requiring precise three-phase protection with robust current handling, the LAB3400WK circuit breaker is your reliable choice. Reference this part number to verify compatibility and streamline ordering, maintenance, and future replacements in 600V, 400A, 3-Pole configurations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426219970722,"sku":"LAB3400WK","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/lab3400wk-circuit-breaker-400a-3-pole-600v-226.webp?v=1789536550","url":"https:\/\/www.ampstate.com\/products\/lab3400wk-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}