{"product_id":"siemens-rv321-fusible-bus-plug","title":"Siemens | RV321 | Fusible Bus Plug | 30A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens RV321 Fusible Bus Plug\u003c\/strong\u003e is a purpose-built, 30A, 3-Pole, 240V protective link designed for maintenance, retrofit, and replacement in compatible Siemens panels. This fusible bus plug delivers a precise, code-compliant protection path that can be swapped quickly during service, helping you minimize downtime without replacing the entire bus assembly.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey advantages you’ll value\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExact fit for RV321-compatible Siemens panels, ensuring a seamless, reliable replacement.\u003c\/li\u003e \u003cli\u003eIntegrated overcurrent protection with a 30-amp rating, safeguarding feeders in 240V circuits.\u003c\/li\u003e \u003cli\u003e3-Pole design supports multi-pole bus configurations common in Siemens installations, promoting proper protection coordination.\u003c\/li\u003e \u003cli\u003eCompact and service-friendly form factor that simplifies maintenance, retrofits, and part replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 30A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePart number: RV321\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e — In service, upgrades, or panel maintenance, having a reliably matched fusible bus plug ensures quick, safe disconnections and protection for your electrical system. Because the RV321 is a Siemens-specific part, it’s engineered to slot into the existing bus architecture with the same electrical characteristics as the original equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRoutine maintenance on Siemens panels that rely on fusible bus plugs for service access and protection.\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade circuit protection where a 30A, 240V fusible link is appropriate.\u003c\/li\u003e \u003cli\u003eReplacement of worn or damaged bus plugs in compatible RV321-enabled installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note\u003c\/strong\u003e — Confirm fit and ratings before ordering. The part number RV321 is the best reference for compatibility with your Siemens panel. If your system requires a 30A, 3-Pole, 240V fusible bus plug in the RV321 family, this unit is designed to integrate smoothly with your existing bus assembly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425745129634,"sku":"RV321","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-rv321-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}