{"product_id":"bu-ksa3400","title":"Fuji Electric BU-KSA3400 - 400A, 480VAC, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Fuji Electric BU-KSA3400 is a high-capacity circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. With a 400A rating at up to 480VAC, this device is purpose-built for industrial power distribution where safety, uptime, and precise protection matter most. Ideal for panelboards, switchboards, control panels, and OEM equipment, it integrates smoothly into existing systems while providing dependable fault isolation when it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current capability\u003c\/strong\u003e: 400A rating handles substantial load demands in motors, drives, and other heavy equipment without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial voltage compatibility\u003c\/strong\u003e: 480VAC operation aligns with common commercial and industrial power distribution standards, simplifying integration into your electrical infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation footprint\u003c\/strong\u003e: Suitable for use in panelboards, switchboards, control panels, and OEM assemblies, making it a flexible choice for new builds or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust overcurrent protection\u003c\/strong\u003e: Provides prompt interruption to prevent damage to wiring, components, and downstream equipment, reducing downtime and maintenance costs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable performance for critical environments\u003c\/strong\u003e: Built to withstand the rigors of industrial and commercial settings where consistent operation matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios where the BU-KSA3400 shines include motor control centers in manufacturing lines, distribution panels across commercial facilities, and OEM projects where a sturdy, stackable protection solution is required. If you’re upgrading an existing 480VAC distribution panel or designing a new control system with clear overload protection, this Fuji Electric breaker offers a proven path to safer, more reliable electrical operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWho this is for\u003c\/strong\u003e: Electrical engineers, maintenance teams, OEM manufacturers, and facilities managers seeking dependable, high-capacity overcurrent protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhat problems it solves\u003c\/strong\u003e: Prevents insulation damage and equipment failure from overloads, reduces unplanned outages, and simplifies upstream protection coordination in 480VAC systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHow it compares to alternatives\u003c\/strong\u003e: Combines a robust 400A rating with 480VAC compatibility in a compact, panel-ready form factor, offering a reliable balance of protection and ease of integration for 480V distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical tips\u003c\/strong\u003e: Confirm your panel or switchboard is rated for 480VAC and supports a 400A protection device; verify available space and mounting alignment; plan for proper conductor sizing and upstream protection coordination to maximize safety and uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e: 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 480VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type\u003c\/strong\u003e: Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Fuji Electric BU-KSA3400, you’re choosing a dependable, purpose-built solution for heavy-duty electrical protection. It’s a smart, future-ready component for distribution panels, motor control centers, and OEM equipment where performance and safety aren’t negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fuji Electric","offers":[{"title":"Default","offer_id":46391182885026,"sku":"BU-KSA3400","price":772.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_35b3d880-2fcc-48b6-b1ac-ef9217f5ebcd.png?v=1765382404","url":"https:\/\/www.ampstate.com\/products\/bu-ksa3400","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}