{"product_id":"siemens-hnf365ra-400a-3p-600v-safety-switch","title":"Siemens HNF365RA 400A 3P 600V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eHNF365RA\u003c\/strong\u003e—a purpose-built safety switch designed for reliable equipment disconnect and precise isolation at the point of use. With a robust 400 A capacity and a 3-pole design, this switch is engineered to handle demanding industrial applications while offering a flexible choice between fusible and non-fusible configurations. Encased in a NEMA 3R enclosure, it’s ready for outdoor or exposed installations without compromising performance or safety.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HNF365RA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Safety Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure Rating:\u003c\/strong\u003e NEMA 3R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Fusible or Non-Fusible\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this safety switch stands out\u003c\/h3\u003e\n\u003cp\u003eThe HNF365RA is purpose-built for equipment disconnect and isolation at the point of use, making maintenance and panel builders’ lives easier. The NEMA 3R rating means it provides rainproof protection and durable outdoor performance, so you can deploy it in weather-exposed environments without compromising safety or reliability. The dual configuration (fusible and non-fusible) offers flexibility to align with your protection philosophy and spare-part strategy, reducing downtime during fuse replacements or future upgrades.\u003c\/p\u003e \u003ch3\u003eIdeal use cases and who benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams needing a dependable on-site disconnect for motors, pumps, HVAC units, or conveyors.\u003c\/li\u003e \u003cli\u003ePanel builders seeking a direct part-number match for rapid sourcing and streamlined assembly.\u003c\/li\u003e \u003cli\u003eFacilities managers maintaining spare inventory with a versatile, long-lasting safety switch.\u003c\/li\u003e \u003cli\u003eOutdoor or exposed installations that require weather-resistant protection with reliable isolation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical insights and setup considerations\u003c\/h3\u003e\n\u003cp\u003eWhen you opt for the fusible configuration, the HNF365RA provides traditional overcurrent protection with replaceable fuses—great for systems where fuse strategy is already in place. The non-fusible variant acts as a robust switch that works with upstream protective devices, simplifying maintenance in environments with centralized protection schemes. This versatility helps you tailor your protection plan to the specific equipment load, maintenance cadence, and inventory strategy.\u003c\/p\u003e \u003ch3\u003eNeed help with fit or compatibility?\u003c\/h3\u003e\n\u003cp\u003eAmpState offers the HNF365RA in both fusible and non-fusible configurations. If you’re unsure about the exact part-number match for your panel or downstream equipment, \u003cstrong\u003esend a message\u003c\/strong\u003e and we’ll help confirm fit and ensure seamless integration with your existing protection scheme.\u003c\/p\u003e \u003ch3\u003eAvailability and support\u003c\/h3\u003e\n\u003cp\u003eThe Siemens HNF365RA is available from AmpState, with support to verify compatibility and alternatives if your configuration needs evolve. This part is designed to simplify keep-on-hand spare inventories for critical maintenance windows, reducing downtime and accelerating field service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410892705954,"sku":"HNF365RA","price":5807.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnf365ra-400a-3p-600v-safety-switch-nema-3r-fusible-non-391.webp?v=1788986021","url":"https:\/\/www.ampstate.com\/products\/siemens-hnf365ra-400a-3p-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}