{"product_id":"siemens-hf321n-disconnect-switch-5","title":"Siemens HF321N - 30A, 240V, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HF321N, a high-performance 3-pole disconnect switch engineered for safe, reliable electrical isolation in both industrial and commercial environments. With a 30A rating at 240V, this device delivers dependable disconnection under load and is built to support proper lockout\/tagout procedures, protecting maintenance crews and operators when work is needed on energized systems.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of poles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnclosure rating:\u003c\/b\u003e NEMA 1\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProduct type:\u003c\/b\u003e Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand\/Model:\u003c\/b\u003e Siemens HF321N\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the HF321N stands out\u003c\/h3\u003e\n\u003cp\u003eThe HF321N isn’t just any isolator. It’s designed for dependable isolation under load, minimizing the risk of accidental energization during maintenance. Its compatibility with lockout\/tagout procedures gives your team a clear, enforceable control point for safe servicing. The NEMA 1 enclosure suits indoor, general-purpose environments, offering solid protection for the internal contacts and extended service life in standard panel builds. This combination makes it a practical backbone for control panels, motor feeders, and equipment cabinets where reliable disconnection is essential.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor circuits in production lines, machine rooms, or service areas\u003c\/li\u003e \u003cli\u003eDedicated service disconnects within electrical panels or MCCs\u003c\/li\u003e \u003cli\u003eCompliance-driven lockout\/tagout points to safeguard maintenance activities\u003c\/li\u003e \u003cli\u003eIndoor control installations requiring a robust, dependable isolation switch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance and outcomes\u003c\/h3\u003e\n\u003cp\u003ePlan for a straightforward installation by aligning line and load connections with the three-pole configuration. Pair the HF321N with standard lockout devices and tags to meet safety protocols consistently. Regular, simple inspections—checking for smooth handle operation and a clean enclosure—help preserve performance and reduce downtime during routine maintenance or emergency isolation. For facilities where reliable, repeatable isolation is a must, the Siemens HF321N delivers a purpose-built solution that supports safety, compliance, and operational continuity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383568945314,"sku":"HF321N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_a542273e-311c-421b-af30-39c87a94b11a.png?v=1765250509","url":"https:\/\/www.ampstate.com\/products\/siemens-hf321n-disconnect-switch-5","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}