{"product_id":"siemens-bp421-fusible-bus-plug","title":"Siemens | BP421 | Fusible Bus Plug | 30A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens BP421 Fusible Bus Plug — 30A \/ 240V\u003c\/strong\u003e is a purpose-built protection component designed for maintenance, retrofit, and replacement in compatible Siemens switchgear. With a clear focus on reliability and compatibility, BP421 delivers a straightforward, plug-in solution when you need to protect critical 30A circuits at 240V.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\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 BP421\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Confirm fit and ratings before ordering. The BP421 part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens BP421?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongprecisely matched for siemens systems.\u003e This fusible bus plug is designed for integration with compatible Siemens gear, ensuring predictable protection and reliable operation.\u003c\/strongprecisely\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMinimizes downtime during service.\u003c\/strong\u003e The plug-in design enables faster maintenance, retrofit, or replacement without extensive disassembly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference.\u003c\/strong\u003e Rely on the BP421 part number to verify fit within your current configuration, reducing the guesswork that often comes with spare parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable overcurrent protection.\u003c\/strong\u003e With a defined 30A rating at 240V, it helps safeguard equipment and downstream circuits from faults and overloads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance on Siemens panels and switchgear that require a compliant fusible bus plug replacement.\u003c\/li\u003e \u003cli\u003eRetrofit projects where an updated protection module must match existing 30A, 240V specifications.\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed bus plugs to restore original protection and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for ordering and installation\u003c\/strong\u003e — Always verify fit and ratings before purchasing. Use the BP421 part number as the primary reference to ensure compatibility with your equipment. When installing, handle with care to maintain insulation integrity and ensure secure connections, preserving the protection performance and safety of the overall electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425783533730,"sku":"BP421","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-bp421-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}