{"product_id":"siemens-hf366ra-disconnect-switch","title":"Siemens HF366RA - 600A, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding industrial and commercial environments, the Siemens HF366RA 600A, 3-Pole Disconnect Switch delivers safe and reliable electrical isolation when it matters most. Designed to support proper lockout\/tagout procedures, this switch enables maintenance teams to de-energize circuits securely, minimizing downtime while maximizing safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 600 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnclosure:\u003c\/b\u003e NEMA 3R, providing weather-resistant protection for flexible placement in a range of environments\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 HF366RA\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world operation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eReliable isolation under load:\u003c\/b\u003e The HF366RA is built to safely interrupt circuits even when power is present, reducing risk to personnel during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLong-term durability:\u003c\/b\u003e Industrial-grade construction is designed for frequent operation and tough environments, delivering consistent performance over years of service.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLOTO-friendly design:\u003c\/b\u003e This switch is purpose-built to align with lockout\/tagout procedures, helping facilities maintain compliance and safeguard workers during servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and ideal applications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHigh-current feeders, motors, pumps, and transformers in manufacturing plants and processing facilities that require straightforward, secure isolation.\u003c\/li\u003e \u003cli\u003eMaintenance and servicing on power distribution panels where quick, dependable disconnection is essential for safety.\u003c\/li\u003e \u003cli\u003eEnvironments where weather-resistance matters, thanks to the NEMA 3R enclosure that protects terminations and connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat sets the HF366RA apart from typical disconnect switches:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA robust 600 A rating paired with a 3-pole configuration provides strong, clear isolation for multi-line circuits.\u003c\/li\u003e \u003cli\u003eA rugged NEMA 3R enclosure offers versatile placement across indoor and select outdoor environments without additional protective housings.\u003c\/li\u003e \u003cli\u003eA design that integrates smoothly with standard safety practices, helping teams implement effective lockout\/tagout and reduce maintenance risk.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical deployment tips:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm the circuit and wiring are compatible with the 600 A rating and three-pole configuration before installation.\u003c\/li\u003e \u003cli\u003eIntegrate the switch into your safety procedures to maximize LOTO effectiveness during servicing.\u003c\/li\u003e \u003cli\u003eSchedule regular inspections of the enclosure and terminations to maintain reliable performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383409823906,"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_1ffac214-b208-4dc2-bf55-9a52fbfd50a5.png?v=1765248229","url":"https:\/\/www.ampstate.com\/products\/siemens-hf366ra-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}