Compatible With Generac Nexus™ or Generac R200 Controllers •Leverages digital load management (DLM) technology •Ability to manage 2 A/C units with no additional hardware •Intelligently manage 4 more loads w/ additional DLM modules •DLM Module P/N: 5937 (Sold Separately)
NEMA 3R Indoor/Outdoor Rated •Aluminum, wall mountable weather-proof enclosure •Electrostatically applied and baked powder paint (Gray)
Q: Will this transfer switch work with Generac 16kw generator #5254? by Stefan from Pennsylvania on May 14, 2012
A: This switch will work but you would require a special kit to connect to the battery charger. This kit would have to be installed by a certified Generac dealer.
These kits are available from your local Generac dealer - Part Number: OH93030SRV.
I have two 200 amp panels and would like to do whole house standby. My primary concern is a 5 ton AC/heat pump that is set as the primary heat source if over 40 degrees outside. I can easily run on aux heat (gas furnace) but I'm not sure now to exclude the heat pump if the whole panel is wired. I would like to save costs and do a 10kw generator if possible. Should i do one panel with a dedicated 16 circuit and the other panel with a smart switch? by Scott from Washington on January 25, 2012
A: A 10kW generator will definitely not be large enough for a home with 400A incoming service especially if you have a heat pump system.
You also cannot cross a 16 circuit load center type transfer switch with a smart circuit type transfer switch. It would create major control issues with the generator. You could do 2 smart switches that work as a master and slave but the generator needs to be large enough for your application and a 10kW will not do it.
Proper sizing of the generator is crucial to the success of any generator installation and requires a good working knowledge of electricity and its characteristics, as well as the varying requirements of the electrical equipment comprising the load. A certified electrician should be consulted for proper sizing and installation of any generator.
When analyzing the electrical load, consult the manufacturer’s nameplate on each major appliance or piece of equipment to determine its starting and running requirements in terms of watts, amps and voltage.
When choosing the generator output select a rating that is approximately 20 to 25% higher than the peak load (for example, if the load is about 8 kilowatts, select a 10 kW generator).
A higher rated generator will operate comfortably at approximately 80% of its full capacity and will provide a margin of flexibility if the load increases in the future.
Q: Jim, can a Nexus Smart Switch or LTS be used with a Generac portable gasoline generator (i.e. 10kw) or do they only work with the standby propone generators? by Mark from New York on September 24, 2011
A: The Nexus smart switches and/or the LTS switch can only be used with Generac standby generators. They CANNOT be used with Generac portable generators. by Jim, Product Expert
Q: Jim, I want to install a weatherproof transfer switch to control a whole house they have an existing 200 amp 240 volt main service. I need to install a generator and transfer switch outside to handle the all branch circuitry. What do you suggest so i will have no call back problems? by Voltology / Kent from Illinois on February 20, 2011
A: All of the Generac transfer switches we offer are specific to Generac generators and only operate together. For a whole house application, when using a Generac generator, you would need transfer switch model RTSD200A3 which is a NEMA 3R outdoor transfer switch and includes an internal service entrance switch. This switch is packaged with the Generac 20kW Guardian home standby system, model 5875 and the best model whole home applications as long as the wattage needs are verified.
Q: What is the difference between the Generac Nexus Smart Switch (100 Amp) automatic transfer switch for $349 and the Generac Nexus Smart Switch (100 Amp) automatic transfer switch (Service Entrance) for $499?
Thank you for your time and consideration. by Cecil Camune from Illinois on January 29, 2011
A: The "Service Entrance" type automatic transfer switch has a built in shut off switch to power can be turned off to perform service on the generator without backlash from utility power. This type of switch is normally required by code to be installed if used in a whole house application and mounted between the meter and electrical panel being powered.
The "Standard" type automatic transfer switch does not include this service entrance feature and is normally installed when the generator is powering a sub-panel. by Jim, Product Expert
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