{"product_id":"siemens-hf366ra-disconnect-switch-2","title":"Siemens HF366RA - 600A, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HF366RA, a 600A, 3-pole disconnect switch engineered for durable, safe electrical isolation in industrial and commercial settings. Designed to support proper lockout\/tagout procedures and reliable disconnection under load, this unit delivers consistent performance when it matters most. Its NEMA 3R enclosure provides dependable protection in both indoor and outdoor environments, helping you maintain safe operation across your facilities.\u003c\/p\u003e \u003ch3\u003eKey benefits that set the HF366RA apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e600A current rating\u003c\/strong\u003e handles heavy service disconnects with confidence, reducing the need for multiple smaller devices in high-demand areas.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole design\u003c\/strong\u003e ensures simultaneous isolation of all conductors, simplifying safety procedures and improving compliance during maintenance and troubleshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged NEMA 3R enclosure\u003c\/strong\u003e offers weather-resistant protection for outdoor or harsh indoor environments, guarding against dust, rain, and incidental wash-downs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable lockout\/tagout compatibility\u003c\/strong\u003e supports safe, compliant maintenance practices, enabling authorized personnel to secure energy sources during service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability\u003c\/strong\u003e built to withstand demanding duty cycles and long service life, reducing replacement frequency and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters for your operations\u003c\/h3\u003e\n\u003cp\u003eFor facilities needing dependable electrical isolation, the HF366RA provides a clear, robust solution that minimizes downtime during maintenance and reduces risk during emergency shutoffs. Its combination of high amperage capability, full 3-pole isolation, and rugged enclosure makes it ideal for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturing floors and assembly lines requiring quick, safe disconnections under load\u003c\/li\u003e \u003cli\u003ePower distribution panels and switchgear where reliable off-state isolation is critical\u003c\/li\u003e \u003cli\u003eOutdoor equipment pads or wet\/damp environments where enclosure protection is essential\u003c\/li\u003e \u003cli\u003eMaintenance programs that rely on strict lockout\/tagout procedures to safeguard personnel\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for professionals who demand reliability\u003c\/h3\u003e\n\u003cp\u003ePlant engineers, electrical contractors, and facilities managers will appreciate the HF366RA for its straightforward integration into existing systems, its clear 3-pole isolation, and its durable construction designed to last under real-world conditions. When you choose this Siemens disconnect switch, you’re choosing a device that prioritizes safety, consistency, and long-term value in demanding environments.\u003c\/p\u003e \u003ch3\u003ePractical notes and usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with appropriate lockout\/tagout devices to ensure complete energy isolation during service windows.\u003c\/li\u003e \u003cli\u003eUse in conjunction with compatible switchgear and panel layouts to optimize fault isolation and maintenance workflows.\u003c\/li\u003e \u003cli\u003eInspect enclosure seals and mounting hardware periodically, especially in outdoor or wash-down environments, to maintain protection ratings.\u003c\/li\u003e \u003cli\u003eAdhere to local electrical codes and Siemens installation guidelines to maximize performance and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 600A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating:\u003c\/strong\u003e NEMA 3R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HF366RA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383424864418,"sku":"HF366RA","price":5810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_96762a54-abc7-4cf8-b777-e78b4a2e4ff0.png?v=1765248522","url":"https:\/\/www.ampstate.com\/products\/siemens-hf366ra-disconnect-switch-2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}