{"product_id":"siemens-hf363nr-100a-3p-600v-safety-switch","title":"Siemens HF363NR Safety Switch 100A 3P 600V NEMA 3R Fusible","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HF363NR 100A 3P 600V Safety Switch is built for dependable, at-the-point-of-use equipment isolation. This fusible, three-pole disconnect pairs robust Siemens engineering with a NEMA 3R enclosure, delivering reliable performance in both indoor and outdoor settings while keeping the part number consistent for retrofit and maintenance planning.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmpere capacity:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 3R (weather-resistant for outdoor and harsh environments)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible safety switch (integrated overcurrent protection with disconnect capability)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HF363NR\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: In industrial settings, a reliable safety switch that can simultaneously disconnect power and provide fuse protection reduces downtime and simplifies maintenance. The HF363NR is purpose-built for retrofit projects where you must preserve the exact part number in stock or documentation, making future replacements fast and accurate.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEquipment disconnect and isolation at the point of use in manufacturing lines, assembly stations, and process equipment.\u003c\/li\u003e \u003cli\u003eRetrofit or modernization projects where existing inventory or schematic references require the HF363NR part number.\u003c\/li\u003e \u003cli\u003eOutdoor or weather-exposed installations thanks to the NEMA 3R-rated enclosure, safeguarding electrical contacts and fuses from the elements.\u003c\/li\u003e \u003cli\u003eMaintenance shutdowns and servicing that demand safe, clearly visible disconnection with built-in fuse protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey benefits\u003c\/strong\u003e that set this safety switch apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSingle, reliable device that combines disconnect functionality with fusible protection, simplifying wiring and reducing component count.\u003c\/li\u003e \u003cli\u003e3-pole operation ensures all three phases are safely isolated, minimizing arc exposure during maintenance.\u003c\/li\u003e \u003cli\u003e600 V capability broadens compatibility with many industrial feeders and equipment configurations.\u003c\/li\u003e \u003cli\u003eWeather-resistant NEMA 3R enclosure extends usable life in outdoor or damp environments, lowering replacement frequency.\u003c\/li\u003e \u003cli\u003eClear part-number continuity supports straightforward procurement and lifecycle planning with AmpState.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat to consider during selection\u003c\/strong\u003e: Ensure the surrounding equipment and wiring match the 100 A rating, three-phase configuration, and 600 V maximum. Verify mounting fit and enclosure dimensions align with your electrical panel or switchgear footprint. If you’re upgrading from a non-fusible disconnect, the HF363NR provides integrated protection that can streamline the protective scheme.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSupport and compatibility\u003c\/strong\u003e: AmpState offers assistance to confirm fit and compatibility with your existing panel, wiring, and protection strategy. If you need to verify a match, you can reach out for guidance on the HF363NR’s suitability for your specific installation and any necessary accessories or fuse types.\u003c\/p\u003e \u003cp\u003eChoose the Siemens HF363NR 100A 3P 600V Safety Switch when you need a durable, code-ready disconnect with built-in fusible protection, proven reliability in demanding environments, and a part-number-consistent solution that simplifies maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412559745186,"sku":"HF363NR","price":2689.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/siemens-hf363nr-100a-3p-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}