{"product_id":"siemens-f321h-disconnect-switch","title":"Siemens F321H - 30A, 240V, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for reliability in demanding industrial and commercial environments, the Siemens F321H fused disconnect switch delivers safe electrical isolation when it matters most. With a 30A rating, 240V operation, and a rugged 3-pole configuration, this unit is built to protect both personnel and downstream equipment during maintenance and fault events.\u003c\/p\u003e \u003cp\u003eKey advantages include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSafe isolation and lockout\/tagout readiness:\u003c\/strong\u003e designed to align with standard lockout\/tagout procedures, helping teams lock out power quickly and securely during service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnder-load interruption:\u003c\/strong\u003e engineered to provide dependable disconnection even when circuits are energized, reducing arc exposure and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable NEMA 1 enclosure:\u003c\/strong\u003e indoor, general-purpose enclosure that protects internal components from dust and incidental contact, improving longevity in everyday environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole fused design:\u003c\/strong\u003e consolidates switching and protection in one compact unit, simplifying wiring and reducing component count.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F321H\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eThe Siemens F321H is an excellent fit for electrical isolation in both industrial and commercial settings, including:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor feeders and machine disconnects in manufacturing lines\u003c\/li\u003e \u003cli\u003eHVAC equipment and large electrical panels that require safe shutdowns for maintenance\u003c\/li\u003e \u003cli\u003eService disconnects for equipment in warehouses, data centers, and facilities with frequent downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this fused disconnect stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike standalone switches, the F321H combines fast, reliable disconnection with integrated protection, helping reduce fuse disruption and downtime while maintaining personnel safety. Its robust construction is designed for long service life in busy environments, delivering consistent performance across thousands of cycles.\u003c\/p\u003e \u003ch2\u003ePractical tips for best results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCoordinate with your lockout\/tagout program to ensure seamless power isolation during maintenance.\u003c\/li\u003e \u003cli\u003ePlan conductor sizing and terminations around the 30A, 240V, 3-pole configuration for efficient wiring.\u003c\/li\u003e \u003cli\u003eUse as a main or local disconnect in panels where a dedicated fused solution improves safety and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383503147170,"sku":"F321H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_579a7628-db15-4c25-a270-1b0211cf5c5b.png?v=1765249689","url":"https:\/\/www.ampstate.com\/products\/siemens-f321h-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}