{"product_id":"siemens-xlvb455n-fusible-bus-plug","title":"Siemens | XLVB455N | Fusible Bus Plug | 400A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens XLVB455N Fusible Bus Plug—a purpose-built protection module for reliable, high-current electrical distribution. Designed for maintenance, retrofit, and replacement tasks, this 400A, 4-Pole, 600V bus plug slots into compatible Siemens gear to restore and safeguard feeders with precision.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e XLVB455N\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this fusible bus plug stands out\u003c\/h3\u003e\n\u003cp\u003eThe XLVB455N is engineered for dependable protection in demanding distribution environments. With a 400A capacity and a 600V rating, it provides robust fault-current interruption for multi-feeder configurations while maintaining straightforward replaceability in field upgrades. Its four-pole design supports comprehensive protection across multiple conductors, simplifying wiring layouts and ensuring consistent bus stability during maintenance windows.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and upgrades in existing Siemens panelboards or switchgear that require precise 400A, 600V protection\u003c\/li\u003e \u003cli\u003eMaintenance outages where a fast, drop-in replacement minimizes downtime\u003c\/li\u003e \u003cli\u003eReplacement of worn or obsolete bus plugs to restore original protection settings\u003c\/li\u003e \u003cli\u003eNew or expanded feeders within industrial plants, data centers, and manufacturing lines that rely on Siemens protection modules\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your equipment is designed to accept a 400A, 4-Pole fusible bus plug and supports 600V systems\u003c\/li\u003e \u003cli\u003eUse the XLVB455N part number as the definitive reference to match the exact specifications and connector interface\u003c\/li\u003e \u003cli\u003ePlan for a qualified technician to perform installation, ensuring proper isolation, safe handling of live components, and correct alignment with bus bars\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a compatible spare on hand to reduce downtime during planned maintenance or rapid replacements\u003c\/li\u003e \u003cli\u003eDocument the installed configuration and cross-check with system schematics to avoid mismatches in future upgrades\u003c\/li\u003e \u003cli\u003eInclude a brief testing step after installation to confirm electrical continuity and protection performance before returning to service\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re conducting routine maintenance, planning a retrofit, or performing a strategic replacement, the Siemens XLVB455N Fusible Bus Plug offers a reliable, standards-aligned solution for high-current distribution. Always start with verifying fit and ratings against your specific Siemens equipment to ensure optimal performance and safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425684934818,"sku":"XLVB455N","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-xlvb455n-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}