{"product_id":"fvk421rr-30a-240v-3-phase-fusible-bus-plug","title":"FVK421RR - 30A, 240V, 3-Phase, Fusible Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the FVK421RR Fusible Bus Plug—a purpose-built solution for reliable, protected power distribution in demanding industrial and commercial environments. Designed to drop into standard busway and panelboard systems, this 30A, 240V, 3-phase plug delivers clean power, rapid protection, and straightforward maintenance for retrofit, upgrade, and ongoing operations.\u003c\/p\u003e \u003ch2\u003eWhat makes the FVK421RR stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, plug-in protection\u003c\/strong\u003e: A fusible bus plug that installs quickly into existing busways or panelboards, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust 3-phase performance\u003c\/strong\u003e: 30A at 240V with three poles ensures balanced distribution and reliable protection across all three phases in commercial and industrial circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for demanding environments\u003c\/strong\u003e: Ideal for process equipment, manufacturing floors, and retrofit projects where hard-to-find busplugs are required to keep systems running.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated protection\u003c\/strong\u003e: The fusible design provides immediate overcurrent protection, helping to guard downstream equipment and wiring from faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational flexibility\u003c\/strong\u003e: Suitable for a wide range of power distribution configurations, making it a practical choice for both new installations and legacy systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: FVK421RR\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fusible Bus Plug\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase \/ Poles\u003c\/strong\u003e: 3-Phase (3 Poles)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Busway and panelboard power distribution systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTypical Use\u003c\/strong\u003e: Industrial plants, commercial facilities, process equipment, retrofit projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits from the FVK421RR\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams and electricians performing upgrades or repairs in plants and facilities with busway or panelboard power distribution.\u003c\/li\u003e \u003cli\u003eElectrical engineers sourcing compatible, hard-to-find busplugs for retrofit or modernization projects.\u003c\/li\u003e \u003cli\u003eOEMs and distributors seeking a reliable, field-proven fusible bus plug to support modular power architectures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and practical scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofit: Replace aging or incompatible bus plugs with a model that matches 3-phase 240V systems, restoring protection and flow without a full panel rebuild.\u003c\/li\u003e \u003cli\u003eMaintenance: Stock a compatible fusible bus plug for fast swaps during routine servicing, reducing downtime and labor costs.\u003c\/li\u003e \u003cli\u003eNew installations: Integrate into existing busway networks where space constraints demand a compact, reliable protection device.\u003c\/li\u003e \u003cli\u003eUpgrade projects: Upgrade protection coordination by selecting a fusible plug that aligns with upstream protection schemes and panelboard layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify matching busway or panelboard specifications to ensure seamless mechanical and electrical fit with the FVK421RR.\u003c\/li\u003e \u003cli\u003ePlan for compatible fuse ratings and trip characteristics to maintain protective coordination and safe shutdown behavior.\u003c\/li\u003e \u003cli\u003eStore spare bus plugs on-site for critical lines to minimize downtime during maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where dependable distribution, quick replacement, and solid protection are non-negotiable, the FVK421RR Fusible Bus Plug delivers a precise, reliable solution. Whether you’re upgrading a facility, maintaining essential equipment, or outfitting a retrofit project, this 3-phase, 30A, 240V bus plug is built to perform when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default","offer_id":46392194957474,"sku":"FVK421RR","price":1842.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_750d56a6-5c24-47cc-8e25-e578929a6ef1.png?v=1765405501","url":"https:\/\/www.ampstate.com\/products\/fvk421rr-30a-240v-3-phase-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}