{"product_id":"siemens-hnf366ra-600a-3p-600v-safety-switch","title":"Siemens HNF366RA 600A 3P 600V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HNF366RA—the 600 A, 3-pole safety switch designed for dependable equipment disconnect and precise isolation right at the point of use. Built for demanding industrial environments, this switch helps you keep operations safe, compliant, and available when you need them most.\u003c\/p\u003e \u003cp\u003eDesigned for retrofit and maintenance workflows where keeping the exact part number matters, the HNF366RA streamlines spares planning and reduces downtime. Its robust construction and versatile configurations empower you to tailor protection to your system without switching hardware mid-project.\u003c\/p\u003e \u003ch3\u003eWhy this safety switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e3-pole architecture delivers robust protection across all three phases, enhancing system safety and reliability.\u003c\/li\u003e \u003cli\u003e600 A continuous amperage and 600 V maximum load capacity to accommodate demanding feeders and motors.\u003c\/li\u003e \u003cli\u003eNEMA 3R enclosure stands up to outdoor and semi-outdoor environments, providing weather resistance and dependable operation in varying conditions.\u003c\/li\u003e \u003cli\u003eFusible and non-fusible configurations offer flexible protection strategies to match your specific electrical design and maintenance plan.\u003c\/li\u003e \u003cli\u003eIdeal for equipment disconnect and isolation at the point of use, simplifying service, testing, and safety lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eAmpState makes compatibility checks straightforward—our team can help confirm fit and ensure you’re ordering the right part for your application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis Siemens safety switch is particularly well-suited for retrofit projects where keeping the original part number is advantageous, as well as for ongoing maintenance planning that benefits from standardized components. By choosing the HNF366RA, you’re investing in a reliable, codes-compliant disconnect that reduces downtime and simplifies future service needs.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDisconnection of large-capacity feeders in manufacturing lines to perform safe maintenance without pulling power to other areas.\u003c\/li\u003e \u003cli\u003eOutdoor equipment enclosures or outdoor-rated switchgear installations requiring weather resistance and reliable isolation.\u003c\/li\u003e \u003cli\u003eRetrofit projects where maintaining a consistent part number accelerates ordering and logistics while preserving performance expectations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HNF366RA\u003c\/li\u003e \u003cli\u003eProduct Type: Safety Switch\u003c\/li\u003e \u003cli\u003eAmperage: 600 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eEnclosure: NEMA 3R\u003c\/li\u003e \u003cli\u003eConfigurations: Fusible and Non-Fusible\u003c\/li\u003e \u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure about fit or need a quick compatibility check, reach out to AmpState—the team is ready to confirm that HNF366RA matches your equipment and installation requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411000578210,"sku":"HNF366RA","price":11781.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-hnf366ra-600a-3p-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}