{"product_id":"siemens-bp421g-fusible-bus-plug","title":"Siemens | BP421G | Fusible Bus Plug | 30A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens BP421G Fusible Bus Plug\u003c\/strong\u003e is a purpose-built component for safe, efficient power distribution within Siemens bus systems. Whether you’re conducting routine maintenance, planning a retrofit, or replacing a worn part, this \u003cstrong\u003e30A\u003c\/strong\u003e \u003cstrong\u003e240V\u003c\/strong\u003e fusible plug is designed to plug into compatible Siemens gear with precision and reliability.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BP421G\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy it matters\u003c\/h2\u003e\n\u003cp\u003eIn electrical distribution, a fusible bus plug ensures proper current protection and a fast, secure path for power. Using the \u003cstrong\u003eoriginal BP421G\u003c\/strong\u003e preserves the intended protection scheme, maintains clear fault isolation, and simplifies maintenance with a component that matches the original design and performance expectations.\u003c\/p\u003e \u003ch2\u003eWho should use this\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams replacing worn or damaged fusible plugs in Siemens panels\u003c\/li\u003e \u003cli\u003eTechnicians performing retrofits or capacity upgrades on low-voltage distribution with Siemens equipment\u003c\/li\u003e \u003cli\u003eFacilities managers stocking a ready-to-install spare for critical Siemens bus assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings match your equipment. The \u003cstrong\u003eBP421G\u003c\/strong\u003e is the best reference for compatibility—verify your Siemens model and bus assembly accepts this plug. Follow standard electrical safety practices: ensure power is fully isolated and work only with components rated for your system’s voltage and current.\u003c\/p\u003e \u003ch2\u003ePractical tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare \u003cstrong\u003eBP421G\u003c\/strong\u003e on hand to minimize downtime during planned maintenance\u003c\/li\u003e \u003cli\u003eStore in a clean, dry environment to protect contacts from corrosion\u003c\/li\u003e \u003cli\u003eDocument the part number in asset records to streamline future replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425783500962,"sku":"BP421G","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-bp421g-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}