{"product_id":"rtsn400g3","title":"Generac 400 Amp 3-Phase Smart Transfer Switch RTSN400G3 | 120\/208V NEMA 3R","description":"\u003ch2\u003eCommercial-Grade Automatic Power Transfer for Three-Phase Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGenerac RTSN400G3 400 Amp Smart Transfer Switch\u003c\/strong\u003e delivers reliable, automatic backup power protection for commercial buildings, light industrial facilities, and large multi-family properties with 3-phase electrical service. Engineered for 120\/208V three-phase systems, this service-rated transfer switch ensures seamless utility-to-generator transitions that keep your business operational during outages.\u003c\/p\u003e\u003ch3\u003eBuilt for Demanding Commercial Applications\u003c\/h3\u003e\u003cp\u003eThree-phase power is the backbone of commercial operations—from HVAC systems and elevators to manufacturing equipment and data centers. The RTSN400G3 is purpose-built to handle these critical loads with intelligent switching technology that protects sensitive equipment while maximizing generator efficiency.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400-amp service rating\u003c\/strong\u003e – handles substantial commercial electrical demands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120\/208V 3-phase configuration\u003c\/strong\u003e – designed specifically for commercial three-phase systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart load management\u003c\/strong\u003e – prioritizes critical circuits and optimizes generator capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic operation\u003c\/strong\u003e – instant power transfer with no manual intervention required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-rated design\u003c\/strong\u003e – can function as your main electrical disconnect\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEMA 3R weatherproof enclosure\u003c\/strong\u003e – outdoor-rated for harsh environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecUL listed\u003c\/strong\u003e – meets rigorous Canadian and US safety standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerac-engineered integration\u003c\/strong\u003e – seamless compatibility with Generac standby generators\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal for Commercial \u0026amp; Industrial Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOffice buildings and business parks\u003c\/li\u003e\n\u003cli\u003eRetail centers and shopping complexes\u003c\/li\u003e\n\u003cli\u003eMulti-family residential buildings and apartment complexes\u003c\/li\u003e\n\u003cli\u003eMedical and dental offices\u003c\/li\u003e\n\u003cli\u003eLight manufacturing and warehouse facilities\u003c\/li\u003e\n\u003cli\u003eData centers and server rooms\u003c\/li\u003e\n\u003cli\u003eRestaurants and food service operations\u003c\/li\u003e\n\u003cli\u003eAny facility with 3-phase electrical service requiring backup power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIntelligent Power Management\u003c\/h3\u003e\u003cp\u003eUnlike basic transfer switches, the RTSN400G3 features smart load shedding technology that automatically manages power distribution during outages. This ensures your most critical systems—like HVAC, refrigeration, security, and communications—stay online while optimizing your generator's fuel efficiency and runtime.\u003c\/p\u003e\u003ch3\u003eProfessional Installation Required\u003c\/h3\u003e\u003cp\u003eThis commercial-grade transfer switch must be installed by a licensed electrician familiar with three-phase systems and local electrical codes. Professional installation ensures safe, code-compliant operation and proper integration with your Generac standby generator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProtect your business continuity and revenue with enterprise-grade backup power technology.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Generac","offers":[{"title":"Default Title","offer_id":42534215155817,"sku":"RTSN400G3","price":2369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/8913\/0089\/files\/515Wx515H-RTSN400G3-Main-Product-Image-1200Wx1200H.jpg?v=1762644875","url":"https:\/\/www.mrvoltinc.com\/es\/products\/rtsn400g3","provider":"Mr. Volt, Inc.","version":"1.0","type":"link"}