{"product_id":"industrial-lab3400nw","title":"Industrial LAB3400NW 400A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eLAB3400NW\u003c\/strong\u003e Industrial Circuit Breaker is a rugged three-pole protection device designed for demanding electrical environments. Built to safeguard large 3-phase power systems, this 400 A breaker ensures reliable shutdown and helps prevent damage from overloads and short circuits across industrial panels, switchgear, and motor feeders.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LAB3400NW\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world settings: in manufacturing floors, distribution panels, and process lines, three-phase power is the backbone of heavy equipment and motors. The LAB3400NW provides dependable three-phase protection, helping you isolate faults quickly and minimize downtime. With its 3-pole design, it safely interrupts all three phases simultaneously, preserving system balance and reducing the risk of phase-to-ground or phase-to-phase faults cascading through your plant.\u003c\/p\u003e \u003cp\u003eWho benefits most:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFacilities upgrading or expanding three-phase power distribution\u003c\/li\u003e \u003cli\u003eIndustrial maintenance teams replacing aging breakers in panelboards and switchgear\u003c\/li\u003e \u003cli\u003eFactories and processing plants requiring clear, centralized protection for heavy motors and feeders\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey benefits and practical advantages:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong reliable three-phase protection:\u003e Safeguards large loads across all three phases, helping prevent unbalanced voltages and equipment damage.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong simple procurement and stocking:\u003e Clear part identification (LAB3400NW) makes ordering and inventory management straightforward for industrial needs.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong robust compatibility:\u003e Designed for integration with standard industrial enclosures and panels typically found in manufacturing and distribution environments.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear protection strategy:\u003e By interrupting all phases together, it helps maintain system integrity during fault conditions and supports safer shutdowns.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong maintenance-friendly:\u003e Easy to inspect and replace within existing panel layouts; compatible with common mounting footprints used in industrial gear.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and use:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify compatibility with your existing panel or switchgear footprint and busbar arrangement before installation.\u003c\/li\u003e \u003cli\u003eFollow the manufacturer’s torque specifications on terminals to ensure reliable electrical contact and reduce overheating risks.\u003c\/li\u003e \u003cli\u003eIn facilities with frequent motor starts, consider coordination with upstream protection devices to minimize nuisance trips while preserving safety.\u003c\/li\u003e \u003cli\u003eKeep a spare LAB3400NW on hand for proactive maintenance and faster downtime recovery in critical lines.\u003c\/li\u003e \u003cli\u003eDocument trip history and regularly test the breaker as part of your preventive maintenance program to confirm consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re modernizing an industrial power distribution system or replacing an aging three-phase breaker, the LAB3400NW 400A 3-Pole 600 V circuit breaker offers a reliable, clearly identified solution that aligns with contemporary industrial standards and a wide range of panel configurations. It’s the practical choice for robust, three-phase protection where downtime matters and safety is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Industrial","offers":[{"title":"Default Title","offer_id":46423126605986,"sku":"LAB3400NW","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/industrial-lab3400nw","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}