{"product_id":"rtsn800j3-automatic-transfer-switch-800-amps-120-240-3p-nema-3r-non-service-rated","title":"RTSN800J3 - Automatic Transfer Switch 800 Amps, 120\/240 3P, NEMA 3R, Non-Service Rated","description":"\u003cdiv class=\"container\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDependable Automatic Backup Power for 120\/240V Three-Phase Systems\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRTSN800J3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-capacity 800 Amp Automatic Transfer Switch (ATS) engineered to provide seamless power source switching between utility and generator feeds. Specifically configured for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120\/240 Volt, 3-Phase (3P)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e applications, this unit is ideal for facilities requiring stable backup power for mixed single-phase and three-phase loads, including lighting, HVAC, and light industrial equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Specifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAmperage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 800 Amps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVoltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 120\/240 Volts, 3-Phase (3P), 3-Wire + Neutral + Ground (Delta configuration typical for 120\/240 3P)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEnclosure Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e NEMA 3R (Rainproof, sleet-resistant – suitable for outdoor installation)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Non-Service Rated (Requires upstream overcurrent protection; no built-in main breaker)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCore Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic Source Monitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The microprocessor controller continuously monitors utility source voltage and frequency. Upon utility failure, it signals the generator to start, transfers the load to emergency power, and automatically retransfers back to utility when normal power is restored, followed by an engine cooldown cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e120\/240V 3-Phase Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Specifically designed for less common 240V delta three-phase systems (often a \"high leg\" or \"wild leg\" delta). Supports both three-phase motor loads and single-phase 120V lighting\/receptacle loads from the same transfer switch.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNEMA 3R Outdoor Enclosure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Constructed from heavy-gauge galvanized steel with a corrosion-resistant finish. Protects against rain, snow, and sleet, allowing for safe outdoor pad or wall mounting without requiring a separate building.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNon-Service Rated Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Offers a compact footprint and lower cost compared to service-rated versions. Must be installed downstream of a fused disconnect or circuit breaker that provides overcurrent and short-circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh Withstand \u0026amp; Close-On Ratings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered to coordinate with upstream protective devices, allowing the switch to withstand fault currents without damage when properly protected.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eElectrically Operated \/ Mechanically Held:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Eliminates coil heating and ensures positive contact retention with low power consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eUser-Friendly Controller:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides LED status indicators, push-button testing, programmable generator exercise timer, and event history logs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTypical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSmall commercial buildings with 120\/240V 3-phase delta service\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRural industrial shops and farm operations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRV parks and marinas with mixed 120V single-phase and 240V 3-phase equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTelecommunications shelters\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSmall water treatment facilities\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e","brand":"Generac","offers":[{"title":"Default Title","offer_id":50794761552105,"sku":"Model #RTSN800J3","price":6269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/4624\/8681\/files\/515Wx515H-RTSN800J3-Main-Product-Image-1200Wx1200H.png?v=1775229752","url":"https:\/\/themodernmanor.com\/products\/rtsn800j3-automatic-transfer-switch-800-amps-120-240-3p-nema-3r-non-service-rated","provider":"The Modern Manor","version":"1.0","type":"link"}