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  8. WiFi Monitoring
Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp
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Hughes Autoformers

Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp

Part Number: HU62VR
1006 Reviews | 23 Questions
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$399.99
Retail:$661.42
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hughes autoformers rv surge protector 50 amp portable
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hughes autoformers rv surge protector portable power watchdog with bluetooth wifi and emergency shut down - 50 amp
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This portable surge protector alerts you instantly of voltage problems and automatically cuts power to your RV when a fault is detected. Built-in Bluetooth and Wi-Fi monitor your system from anywhere around the globe via a smartphone app. Great Prices for the best rv surge protector from Hughes Autoformers. Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp part number HU62VR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Hughes Autoformers RV Surge Protector - HU62VR

  • 50 Amp
  • Surge Protector
  • Portable
  • Automatic Shutoff
  • Bluetooth Monitoring
  • WiFi Monitoring
  • Hughes Autoformers

This portable surge protector alerts you instantly of voltage problems and automatically cuts power to your RV when a fault is detected. Built-in Bluetooth and Wi-Fi monitor your system from anywhere around the globe via a smartphone app.


Features:

  • 50-Amp surge protector prevents damage to your RV from power spikes and sustained high or low voltage
  • Emergency Power Off cuts connection in the event of an error to protect electronics and appliances
    • Shuts down if current drops below 104V or raises above 132V
    • Also cuts power for an open ground, open neutral, reverse polarity, open circuit, or mis-wired connections
    • Automatically turns back on once power is stable for 90 seconds
  • Free Smartphone app for iOS and Android connects via built-in Bluetooth and Wi-Fi to monitor your system
    • Quickly pair using the QR code on front of device
    • Read volts, amps, and watts in real time to keep an eye on your power draw
    • Get push notification when voltage is outside of acceptable, customizable ranges
  • 4-Second start-up delay gets you up and running faster than other brands
    • Delay makes sure power is safe to use before flowing normally
    • Audible click tells you the surge protector is on
  • Surge protection module offers 4,600 joules of protection in case of lightning strike
    • Can be replaced once it wears out - no need to replace the entire unit
  • Fault history is recorded up to 10 faults
    • Time stamp provides detailed information on shut downs
  • Easy-to-see indicators show you if there's a problem and what that problem is
    • Watchdog logo illuminates white if power is steady and red if there's an error
    • Error code can be compared to legend on the side of the unit
    • Lights can be dimmed via the mobile app
  • Housing is IP65 rated for protection against dust and rain
  • Metal bracket around cord provides secure place to attach cable lock
  • Side entry receptacle and cover relieve stress on the connection
    • Receptacle bay includes an integrated light that can be turned on for nighttime visibility
  • ETL listed


Specs:

  • Amps: 50 amps
  • Energy dissipation: 4,600 joules
  • Limited lifetime warranty


PWD50EPOW Power Watch Dog Surge Spike Protector with Bluetooth, WiFi, and Emergency Shut-Off - 50 Amp - Portable

Installation Details HU62VR Installation instructions





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Customer Satisfaction Score:

Ratings & Reviews

4.8

1006 reviews
5 Stars
(883)
4 Stars
(90)
3 Stars
(16)
2 Stars
(2)
1 Star
(15)
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by:
Just received the 50amp watchdog surge protector today and hookup was simple .Connection to wifi was also very easy. It's very useful in the app to see the real amp usage the rv is pulling inside.
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Claire H. profile picture
Etrailer Expert

Claire H.

9/1/2026

I'm happy to hear you're loving your new surge protector! I won't camp without one! And being able to see the energy draw from my phone gives me peace of mind.

by:
Best peace of mind out there! We use our Motorhome on a seasonal site most of the year so it stays plugged in all the time. Not only does this device protect us, it lets us know when the power goes out and we aren’t there. Finally, our main reason for buying was the protection but we had been having problems with the post power at the seasonal. The CG kept telling us we had low voltage because of our rig. With the logging capability on the Watchdog, we were able to show them how the power would drop from 120 to below 90. Ultimately, they replaced the feeder to the site and all has been good since. We couldn’t have got that done without Watchdog!!!
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Kate F. profile picture
Etrailer Expert

Kate F.

6/25/2026

I love this review Roger! I just ran a training here on RV electrical and your review says everything I was trying to get across about the Watchdog. You never know who was working on the power pedestal at any campsite, ground or neutral could be open, wires crossed, and this is just what you called it, "Peace of Mind." This product will take the beating if needed, instead of your RV. I am so happy you found this product and it could give you that! Thanks for taking the time to write this review. - Safe Travels =)

by:
So far, I haven’t experienced any issues. The only improvement I’d suggest is giving users the option to turn the front light off completely. While the brightness can be dimmed, the illuminated watchdog icon remains visible and draws unnecessary attention. For a product that may be used or stored in public or visible areas, having the ability to disable the light entirely would provide greater discretion and could help reduce unwanted attention.
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by:
E-trailer made it an easy purchase after a few questions. We had the old style power watch dog since we started fulltime back in 2021. It saved our rig from a meltdown and we are grateful. It was only fitting to put our trust in a product that proved it's value! I LOVE that they have the replaceable module now, that's how you know a company is making products for their customer's best interest! That's a total upgrade in itself.
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Nick S. profile picture
Etrailer Expert

Nick S.

11/3/2025

Your username has made my Monday, I love it! I am glad we were able to get you what you needed and keep the full timing life going. Watchdog has proven time and time why it continues to be my favorite. Do you guys full time in any specific area, or do you take advantage and see the country?

by:
Love this sophisticated surge suppressor- the app on the phone shows you voltage, amps, frequency, watts… Really important to ensure your RV is properly protected.

This replaces a much less expensive surge suppressor, which caused a nightmare in my RV. The surge suppressor partially failed, giving dangerously low voltage to one leg of the power. This caused several of my RV’s computers to shut down and led to 7 hours of troubleshooting and resetting an inverter, and a water heater.

You really need a high end surge suppressor such as this, with diagnostics, to protect your RV from costly problems resulting from a cheap surge suppressor. I won’t make that mistake ever again.
by:
I think this is an excellent product. The only downside it is a bit heavy, I use a rubber cord to help support the weight, so it is not hanging on the outlet. We had to upgrade our electrical protection since we traded for a 50 amp service camper. Unfortunately, the campsite we reserved did not have 50 amps available. The app on my phone allowed me to monitor the electrical use so we have not had issues with tripping the breaker. One of the highlights of this unit is the phone app. It shows in real time what the electrical use is.
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by:
Great product, and E-trailer is the go to place for your RV gear!
So far the watch dog is working as expected with a peace of mind that it’s monitoring our power.
by:
Did its job the first day. Power to camper went out the first night we were at camp. I looked out the window and could see the dog was red. I’m not sure what the issue was but before I could get my shoes on power was back on.
by:
Owned a 30 amp watchdog epo previously and loved it. Upgraded to diesel pusher, so I needed to get a 50 amp. I had read that they had redesigned some features. This new design is awesome. Very happy with this product from ease of use to satisfaction knowing that my rig is protected.
by:
Bluetooth and WiFi features are sketchy and seem to work when they want to. Choosing the correct app is a guessing game. Scanning the QR code isn’t much help as it comes back constantly with BLE ID invalid. This should be so much easier than it actually is.
James D. profile picture
Etrailer Expert

James D.

6/30/2026

Thanks for reaching out Dwight, The "BLE ID invalid" message can sometimes occur if the wrong Watchdog app is being used, required bluetooth, location permissions haven't been enabled, or the QR code isn't being recognized properly. Which Watchdog app did you install?

by:
Love this device. I had the Bluetooth only model prior to this one and the WiFi connectivity makes a big difference. I’m able to check power consumption from anywhere. But the best improvement is the way the RV power cord connects. It’s now on the side and has a cover. This is a great improvement. It makes it less likely that you connection point will be laying on the ground and it is protected from rain. Excellent product and easily recommend it.
by:
Setup was a breeze and information was available immediately via Bluetooth and the WiFi connection was easy too.
by:
Ordered Watchdog surge protector (works great and easy set up) and was delivered exactly when they said it would be, Great Service, thanks Ric D.
by:
Great product, used one similar in the past for a 30A travel trailer, but in moving up to a fifth wheel with 50A this was the product for us! Worked perfectly all last year and expect the same this season. Great timely delivery from e-trailer...actually also got the fifth wheel hitch from them also!
by:
This surge protector is everything it says it is and more. I like how it talks to your smart phone and keeps you updated on all things power in your camper. Most of the issues I had was rv park related not the camper. Most of these older rv parks have power issues or are under powered with electricity . This surge protector saved me alot of money on protecting all my electronics and new rv. Well worth the money. Make sure you purchase a cable lock to lock it up or it will go missing. E-trailer has you covered and can take care of all your needs. Thank you!
by:
Just got it setup but so far it meets all my expectations. ETrailer is always great to work with.
by:
Working well so far (been 2 weeks).
Michael W. profile picture

Michael W.

10/12/2026

Update. Tried to setup App and won’t connect to Wi-Fi or Bluetooth. Worse, I discovered it’s not compatible according to someone that called Hughes Power Watchdog with my new Viktron Multiplus-II. It throws an E8 code right after plugging into a pedestal power. This has occurred at two separate RV Parks in a row.

Andrew N. profile picture
Etrailer Expert

Andrew N.

10/12/2026

@MichaelW Hey Michael, Sorry you're having trouble! The E8 code means the Watchdog detects a missing neutral, but this is a known issue with certain Victron MultiPlus-II setups. The good news is that Hughes has a workaround! You can disable the E8 detection through the Power Watchdog app, which should allow you to continue using your surge protector. However, you'll want to verify the pedestal and RV wiring are safe first, since this disables the open-neutral protection. For the connection issue, make sure you're using the newer blue-and-white Power Watchdog WiFi app. Connect through Bluetooth first, then set up Wi-Fi using a 2.4 GHz network. I'd recommend calling Hughes at 888-540-1504 so they can help you get the app connected and walk you through the workaround safely.
by:
Etrailer.com has customer service first! Lowest price and best service I've experienced. This unit is essential to protect your rig and yes, it's pricey, but compare it to the cost of burning up your AC due to low power at your pedestal. Worth every penny
Barry profile picture

Barry

12/5/2025

The Watch Dog saved me a disaster - plugged in to the 50A service and found 64V on one leg! Was able to use the 30A with a dogleg for the stay with no issues. Without the low voltage lockout I would have powered my rig and probably destroyed everything electronic that was on that leg

Jesse M. profile picture
Etrailer Expert

Jesse M.

12/5/2025

@Barry Thanks for sharing that, Barry. That’s exactly the kind of situation the Watchdog is designed to catch, and 64V on a leg could have done some real damage. Glad the low-voltage lockout kept your rig safe and that you were able to finish your stay without issues. Always good to hear when the gear does its job.
by:
I recently purchased this when we traded in our 30A RV for a 50A RV. I had the 30A version previously. I am thrilled with how it functions. So far I have only had it plugged in while the RV is in storage in my shop but I am please with the mobile app for monitoring. I've been able to use it to see what everything actually pulls when running and which leg things are on.
by:
great product, highly recommend, works as advertised. etrailer has been great keeping me abreast of what is happening with my order.
by:
My rating is not for the watchdog but for the shipping. My package sat in Montgomery, AL for a week before it moved the final 20 miles to my house. USPS sucks. You guys should look into other shipping methods.
by:
This is a very nice surge protector. I can pull it up on my phone and it tells me how much power is at the pole and how much my camper is using. I really like it.
by:
Just received my surge protector. I got it very quick so thank you
by:
Brand new…. Failed to work then returned for refund!
by:
Haven’t had any issues. So far so good. Gives us peace of mind.
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See what our Experts say about this Hughes Autoformers RV Surge Protector

Do you have a question about this RV Surge Protector?
  • Surge Protector for 2026 Thor Pasadena 34XG With 50A Service
    Hey Ed, congratulations on the new motorhome! For a surge protector I would stick with the Watchdog models from Hughes Autoformers. These are nice because the surge model can be replaced if you actually experience a surge instead of replacing the entire unit. They have various options at for 50A so you can choose from the following: -Power Watchdog Surge Protector with Bluetooth - Portable - 50 Amp # HU47FR -Portable Power Watchdog Surge Protector with Bluetooth and Emergency Shut Down...
    view full answer...
  • Will Hughes WatchDog Work with Newmar
    Hey Scott, yes the Portable Power Watchdog Surge Protector # HU62VR that you referenced is the current version that will work with your Newmar.
    view full answer...
  • Replacement Surge Module For Power Watchdog PWD50EPO
    Hey Susan! The PWD50EPO you have now is the # HU87FR. This uses the Replacement Surge Module for Power Watchdog Surge Protector with Emergency Shut Down - 50 Amp # HU58FR. The PWD50EPOW is a different model # HU62VR which uses a different surge module. What kind of trailer do you have?
    view full answer...
  • Does the Power Watchdog Surge Protectors Make any Noise?
    Thanks for reaching out, Mike. The only noise you should hear from any of the Power Watchdog Surge Protectors would be a small audible click when the unit energizes or disconnects power. This includes both the Portable Power Watchdog # HU62VR and the Hardwired Power Watchdog Surge Protector # HU82VR. You’ll usually hear a single click a few seconds after plugging in, and another click if it disconnects due to bad campground power. The click is brief and not a constant noise. You shouldn’t...
    view full answer...
  • Why is My New Watchdog Surge Protector Getting an E8 Error Code When Paired with Victron Multiplus?
    Hello Larry, I’m sorry you’re running into this, but you’re definitely not alone here. We’ve started to see this come up more often when the Victron MultiPlus-II Inverter Charger - 2,400 Watts - 50 Amps - 12V # VN43VR is paired with the Hughes Portable Power Watchdog Surge Protector - 50 Amp # HU62VR. The “E8 – Missing Neutral” code means the Watchdog thinks there’s an open or floating neutral and it won’t pass power because of that. In a lot of these Victron setups though, it’s related...
    view full answer...
  • Will Portable Power Watchdog fit 2-3/4 inch Outlet
    Hey Lou, yes the Portable Power Watchdog Surge Protector # HU62VR that you reference does fit the 50 amp outlet you have. This was designed to fit the standard size connector so this would work great for you.
    view full answer...
  • Replacement Module For Portable Power Watchdog Surge Protector 50 amp
    Hello Ron. First off Congrats on the 5th wheel! Also, I am glad that you found us so we can help you along the way while you are out there making everlasting memories! The Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp # HU62VR is an awesome unit to have to keep the electrical components of your 5th wheel protected. We currently do not have the replacement module listed on our site. I have already reached out to Watchdog to get the information...
    view full answer...
  • What Is The Purpose Of A Soft Start Start Capacitor And Should There Be One On Each AC
    Hi Jeff, A start capacitor/soft start is essentially just a box that holds a charge to help with the large demand when the AC unit kicks on. This will help your units run easier for a longer lifespan so it's a good idea to install them on each unit. If your units aren't drawing as much power at start up you'll put less demand on the system as a whole, minimizing the chance that you'll experience a voltage drop. We don't have a 3pk but we do have a 2pk # SSR44FR and single # SSR54FR. For...
    view full answer...
  • Difference Between Different 50 Amp Power Watchdog Surge Protectors
    Hey Chrystal! The Power Watchdog Surge Protector # HU47FR lacks the emergency shut down so we can rule that one out. The # HU87FR and # HU62VR both have the emergency shut down so the main difference is how they are monitored. If you're fine with Bluetooth only then you want to get the # HU87FR. This also has a higher energy dissipation at 6,100 joules. If you want to be able to monitor this outside of the range of Bluetooth and you have Wi-Fi available at the trailer then the # HU62VR...
    view full answer...
  • What is the Warranty on the 50 Amp Portable Power Watchdog Surge Protector with Bluetooth and WiFi?
    Hey Dave. I checked with Hughes, the company that makes the Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down item # HU62VR. Their website states that it has a (LIMITED) Lifetime Warranty. Limited refers to the original purchaser of the product and that the warranties do not transfer from owner to new owner. The limited warranty covers defects in materials and workmanship. Additionally, Hughes recommends taking a picture or a screenshot of your invoice...
    view full answer...
  • Availability Of Surge Protector That Can Be Monitored And Shut Off Remotely
    Hello Stuart, thanks for reaching out. We do have surge protectors like the Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp # HU62VR that let you monitor shore power and remotely disconnect or reconnect it, which solves the “turn shore power on and off without being there” part. What they do not do is monitor battery state of charge. They only see AC power coming in. To keep lithium batteries in that 80–90 percent range, you still need a...
    view full answer...
  • Should I Get the Portable Power Watchdog Surge Protector w/ Auto Restart Over the Standard Model?
    Congrats on the new trailer! I recommend the Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp item # HU62VR over item # HU92VR because of it's ability to automatically turn back on once the power stabilizes. This feature alone is worth going with the upgraded model especially if you plan on being away from your trailer for an extended period of time.
    view full answer...
  • Can a 50 Amp Watchdog Surge Protector Be Used on a 30 Amp Hookup?
    Yes, it can Mark. To use the 50 Amp Portable Power Watchdog Surge Protector item # HU62VR on a 30 amp hookup you'll just need a 50 Amp Female to 30 Amp Male adapter like the item # A10-3050FHVP. What kind of motorhome or trailer do you have?
    view full answer...
  • Can A 30 Amp Surge Protector Be Used On A 50 Amp Travel Trailer?
    Hey welcome back, Jody. So your best option here will be to get a new 50 amp surge protector for your new travel trailer. If you did end up at a camp ground with 50 amp service you would want to have it. I know a lot of sites do have just 30 amp but I would hate for you to end up at a 50 amp site and not have surge protection. Surge protectors should always be matched to the service of the RV. For that reason I recommend getting the following: - Portable Power Watchdog Surge Protector...
    view full answer...
  • Where To Install A Hardwired Watchdog Surge Protector In A System With A Transfer Switch
    Hey Robert, The Power Watchdog Surge Protector # HU82VR can be installed on the shore power lines before the transfer switch. Since it's before the transfer switch it would only be tied to the shore power and wouldn't be an issue with the inverters. The inverters would be separate from shore power due to the transfer switch so the Watchdog wouldn't be connected to the inverters. These units are not waterproof like the portable units # HU62VR since they're intended to be installed inside....
    view full answer...
  • Troubleshooting A Portable Power Watchdog Surge Protector # HU62VR
    Hey Lori, What kind of issues are you having with your Portable Power Watchdog Surge Protector # HU62VR, I might be able to help?
    view full answer...
  • Will Camco Power Grip Fit Power Watchdog
    Hey Rick, the opening of the Power Watchdog part # HU62VR is definitely wide enough for a Camco Power Grip power cable to fit as the Camco connectors are standard size and you can see in attached picture there's more than enough room.
    view full answer...
  • How to Add Surge Protection to a RV w/a 50 Amp SmartPlug
    Hey Rick. It looks like you purchased the SmartPlug RV Power Cord Adapter item # SM93VR a couple of weeks back. If your Airstream Flying Cloud has the SmartPlug 50 amp connector you'll need to install the Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down item # HU82VR. The Power Watchdog item # HU82VR will be hardwired inside your RV and will provide you with the same protection the plug in ones like item # HU62VR do. If you have any additional questions, go...
    view full answer...
  • Can I Monitor the Portable Power Watchdog Surge Protector HU62VR from 150 Miles Away?
    Yes, you can Don! So long as the Portable Power Watchdog Surge Protector item # HU62VR is connected to WI-FI you can monitor it from anywhere on the planet. 150 miles is definitely not going to be a problem. If you have any additional questions, go ahead and click on the box below that says Reply to Jerred H and I'll be happy to answer them.
    view full answer...
  • What Generation is the Hughes Portable Power Watchdog Surge Protector HU62VR?
    Hey David. The Portable Power Watchdog Surge Protector item # HU62VR is the Generation II model. This model has built-in Bluetooth and WiFi for monitoring from a mobile app and has a compact, modular design. It is rated for 50 amps. What kind of trailer or motorhome do you have? You can add this information and any other questions you have where it says Reply to Jerred H and I'll be happy to answer them.
    view full answer...
  • Pairing and Security Questions for the Portable Power Watchdog Surge Protector
    Hey Tim, I spoke with Hughes and they sent the following in regards to your questions: 1."I see that there is a QR code to pare the device with a smartphone. Great! But is there a security feature or password setting to keep others from paring to my EMS and controlling or shutting off my electrical service?" Yes, because it has the ability to shut off power, etc, when you first download the app, you will have to create an 'account' which is an email and password. Then you scan the QR...
    view full answer...
  • Do You Need WiFi or Bluetooth to Use a Power Watchdog RV Surge Protector?
    Hi Kelvin, you can absolutely use the Power Watchdog without WiFi or Bluetooth. Models like the 50 amp # HU62VR and the 30 amp # HU32VR will still provide their surge protection and electrical monitoring as soon as you plug them in, so you are not leaving your RV unprotected if you choose not to use the app. If you ever want to adjust the basic settings, you can do that using the physical buttons on the unit, so you are not dependent on a phone or wireless connection. The Bluetooth and...
    view full answer...
  • Which Power Watchdog 50 Amp Surge Protector Has the Weatherproof Connection Cover?
    Great question Gary! The Power Watchdog part # HU87FR is a Generation 1 unit, so it does not have the weather-resistant cord connection cap that you're referring to. It does have the weather-resistant clamshell housing around the electronics, but the plug connection itself is not protected by the newer cap design found on the Generation 2 models. Based on the features you're looking for, I would recommend the Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency...
    view full answer...

Do you have a question about this RV Surge Protector?


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