{"product_id":"siemens-bos14321-30a-240v-fusible-switch","title":"Siemens BOS14321 - 30A, 240V, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BOS14321 is a rugged, 30A, 240V fusible disconnect switch designed for reliable on\/off isolation and built-in overcurrent protection in demanding industrial and commercial environments.\u003c\/p\u003e \u003ch2\u003eWhy choose the BOS14321 fusible disconnect switch\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-in overcurrent protection\u003c\/strong\u003e — the \u003cstrong\u003efused design\u003c\/strong\u003e provides immediate protection for motors, feeders, and downstream equipment, reducing the need for additional fusing in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact and maintainable\u003c\/strong\u003e — a robust switch that fits into tight panels and allows straightforward fuse replacement and servicing without de-energizing other parts of the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable Siemens engineering\u003c\/strong\u003e — designed for continuous duty in harsh industrial and commercial settings, with consistent performance and clear isolation when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in commercial or light industrial equipment where safe isolation is required for maintenance or service work.\u003c\/li\u003e \u003cli\u003ePanelboards needing a dedicated, mounted disconnect with built-in protection.\u003c\/li\u003e \u003cli\u003eBranch circuits that demand straightforward, code-compliant protection and quick shutoff.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BOS14321\u003c\/li\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\u003eFusible:\u003c\/strong\u003e Yes — Fusible switch for selective protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat to expect in real-world use\u003c\/h2\u003e\n\u003cp\u003eIn a busy electrical panel or motor control center, the BOS14321 provides a safe, clearly visible isolation point that also protects circuit conductors from overcurrent events. When the load needs to be serviced, simply operate the switch to the off position to ensure a secure, mechanical break in the circuit, while the fused element absorbs surge energy and protects downstream devices.\u003c\/p\u003e \u003ch2\u003eMaintenance and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUse the correct fuse type and rating compatible with the BOS14321 to maintain protection levels.\u003c\/li\u003e \u003cli\u003eBefore replacing fuses, follow lockout\/tagout procedures and verify the circuit is de-energized.\u003c\/li\u003e \u003cli\u003ePeriodic visual checks for fuse integrity and switch operation help maintain reliability in ongoing service environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390402449570,"sku":"BOS14321","price":3412.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_d34279e4-c586-42e3-beb1-8f14b2987d6f.png?v=1765370288","url":"https:\/\/www.ampstate.com\/products\/siemens-bos14321-30a-240v-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}