Xantrex 8080915 PROwatt SW Auto Transfer Switch

Used it with a Jackery 3000 watt hour solar generator to run an oil furnace. Works very well. Energy Star furnace that pulls only 480 watts. Installed for an 89 yr old widow. UL certified. Leads short but well made. UPDATE have now installed two more on oil boiler with 4 pumps and gas furnace. New boilers and furnaces pull less than 400 watts to start. Have 8-10 hours of solid run time with Jackery 3000 and this transfer switch. Don’t believe the old estimates of 800 -1000 watt draw.

Had looked for this type of switch for a long time for use at our cabin in remote and deep woods in S Indiana about an hour from a major city. We are in a big valley on a small lake and do not have interior cell service with out our Wilson 70 db booster (a must have is the newer self adjusting unit that always maintains reception and not the older manually adjusted units). We had almost no OTA TV with out Winegard LNA-200 boosters on 2 antennas in attic and a Denny's stacker UHF/VHF antenna high above roof, and now have 21 stations and all major networks in perfect HD. Bought a used 15 device Verizon 7730L hotspot (using the little known Verizon no contract $65/mo UNLIMITED data only available on their PREPAID plan with auto pay) for internet, Netflix and Amazon TV (binge watch in high def w/the unlimited data plan) and to now run Amazon Cloud cams and Canary security cams. When power went out as it often outdoes with power cables running through the woods, these electronics all went down. You had to be there in person in the second floor utility closet to switch the Belkin 12-Outlet Power Strip Surge Protector with 10-Foot Cord that powers all the boosters including Wilson and a Netgear Nighthawk WIFI extender, from the AC plug to then plug into GpPower's 175-Watt Modified Sine Wave Inverter (no fan =low draw) and then clamp onto the deep cell trolling battery next to the inverter. Now with this badboy transfer switch installed, when the AC power goes off, it auto switches to the plugged in inverter connected to the deep cycle battery, and then automatically switches back to AC when restored. Ran long USB cords to some of the cameras off the same surge strip so they also function when AC power is out. Wilson booster draws 20W which is .17 amp which means that deep cycle trolling battery could run everything on the power/surge strip for a long, long time. Will prob run a long power cord to the hotspot which is near the Wilson interior panel downstairs. BE SURE that you order and correctly wire the 3 prong male adapter plug and female adapter plug for similar uses, as 2 wires from the transfer switch have no connectors. It comes with a marked 3 way male plug to plug into the inverter. Black wire is hot and is for the narrow flat plug, white wire is the return and is for the wider flat plug, and green is ground. I'll try do an update in a few months, but so far it's perfect for what we wanted. Now my wife and kids can make calls and use the internet from inside cabin if power is out, with out me trying to explain over the phone how to connect to and switch on the inverter in the storage closet by flashlight. That is priceless and calls for a beer. (Update 1/8/20) Still working great. When the power goes off, auto switches to deep cell batter on 175w inverter to power wifi security cameras. The jetpack mifi has its own large battery so we can still have the peace of mind with security during power outages.

I am using this as a sump pump backup control unit, as we have frequent power outages. I maintain (2) group 27 deep cycle marine batteries with a Schumacher SC1609 which are hooked up in parallel and wired to an Eastwood 2000 watt pure sine wave power inverter. When the power in the house goes out, this unit immediately switches the power coming in off the street to the battery/inverter system automatically to run my 120 volt sump pump. When the house power returns, it immediately, automatically switches back to house power. It works great and the instructions are pretty much idiot proof if you know how to wire simple household receptacles and such. The only down side to this unit that I can see is that the manufacturer should make the wires coming out of the unit about 12 inches longer so you would have more wire to work with in the installation. The wires are nicely marked however, so you know where to hook up each wire.

This is the 2nd one of these Xantrx ATS's I've purchased, and both are being used the same way, which is technically opposite of their intended/labelled use. I have them wired so that the solar inverter is the main AC source, and the backup is connected to the utility/grid power. With this setup, if the solar inverter shuts down for any reason (low voltage, etc) it switches all the connected loads onto grid power, and switches back once the solar batteries are charged back up enough to power the inverter back on. The 1st unit I installed in 2020 and has been working flawlessly since, so I added the 2nd unit for our bedroom, which is powered by an Ecoflow Delta system, and 400W solar array. While the Delta does NOT automatically turn the AC inverter function back on once it's charging, this way we wont ever discover everything powered down becaise the battery got too low overnight, etc.

This is exactly the product I needed to complete an automatic battery backup for a sump pump. The box is high quality along with the cables. They even add labels to the cables so you know where they should be attached. I didn't take this thing apart, but all indicators is this is high quality. As soon as I plugged it in I heard the switch flip as it recognized the power was connected. When I unplug from the wall the switch drops and the sump pump draws from the inverter. It works flawlessly. While this isn't necessarily a cheap product, it is priced fairly. Good quality and I was able to save hundreds of dollars DIYing this project because of this switch. Minor criticisms: I would have liked the cables to be an inch longer. I would have liked to have male and female plugs included to complete the setup (green arrows in my attached pick show where I added those connectors).

This is a well made switch which operates quietly, is relatively compact, and does what's supposed to. Only complaint is the wires are a little on the short side for my installation. Overall, though, this works really well.

I installed a residential fridge in my RV and this works perfectly. When on shore power, the fridge is powered. When driving or dry camping, it runs off my inverter (does not have to be a Xantrex by the way) the transfer is super fast and reliable. Kudos to Xantrex.

It would be nice if the wires were a little longer

Installed this in my travel trailer off of the inverter, works exactly how it should and is silent too, was expecting Atleast a click when it comes on but it’s dead silent, 10/10

I used this in a work van for shore power and inverter to power plugs, it simplified the whole install having this unit take care of the switching so I wouldn't back feed 120V into the van.