{"product_id":"siemens-hf321n-30a-240v-3-phase-switch-nema-1","title":"Siemens HF321N - 30A, 240V, 3-Phase, Switch, NEMA 1","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HF321N—a rugged 30A, 240V, 3-Phase fusible disconnect switch designed for dependable on\/off isolation and built-in overcurrent protection in demanding industrial and commercial environments. Engineered to live inside control panels and motor control centers, this compact unit delivers precise, immediate protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HF321N\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating:\u003c\/strong\u003e NEMA 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible switch for integrated switching and overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this makes a difference in your system\u003c\/h3\u003e\n\u003cp\u003eDesigned for motor disconnects, panelboards, and branch circuit protection, the HF321N offers a dedicated, space-efficient solution that merges switching and protection in one unit. The 3‑phase capability ensures balanced handling of three-wire motors and equipment, reducing complexity and potential wiring errors. With a NEMA 1 enclosure, it suits indoor control environments where a compact, maintainable switch is essential.\u003c\/p\u003e \u003ch3\u003eWhat sets the HF321N apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongfocused protection:\u003e Combines switch control with fusible protection to guard motors and circuits from overload events, minimizing downtime and equipment wear.\u003c\/strongfocused\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, panel-friendly design:\u003c\/strong\u003e A space-conscious form factor that fits neatly into standard control panels and panelboards without sacrificing accessibility for maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can count on:\u003c\/strong\u003e Built to endure the rigors of industrial and commercial settings, delivering consistent performance across demanding operating cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on 3‑phase equipment up to 30A in indoor control panels.\u003c\/li\u003e \u003cli\u003ePrimary protection device in panelboards where space is at a premium and quick isolation is required.\u003c\/li\u003e \u003cli\u003eBranch circuit protection for compact industrial or commercial machines requiring reliable de-energization during service or fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and care tips\u003c\/h3\u003e\n\u003cp\u003ePlan for indoor installations that align with standard control panel practices. Wire the HF321N for 3‑phase 240V service, ensure secure terminations, and perform regular inspections of connections and fuse integrity. When servicing, follow local electrical codes and Siemens installation guidelines to maintain safe operation and ease of future maintenance.\u003c\/p\u003e \u003ch3\u003eIdeal for professionals who value precise, dependable protection\u003c\/h3\u003e\n\u003cp\u003eIf you’re designing or upgrading a control system that demands reliable isolation, straightforward maintenance, and integrated protection for 3‑phase motors and circuits, the Siemens HF321N 30A 240V 3‑Phase NEMA 1 switch is a purpose-built choice. It’s not just a switch—it’s a focused solution for robust motor protection and streamlined panel integration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390295462050,"sku":"HF321N","price":429.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hf321n-30a-240v-3-phase-switch-nema-1-964.webp?v=1788859595","url":"https:\/\/www.ampstate.com\/products\/siemens-hf321n-30a-240v-3-phase-switch-nema-1","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}