Hughes Power Watchdog PWD50-EPO-H
#1 in 50 ampFull review
A hardwired EMS with phone monitoring for 50 amp RVs. A good buy while it sells for less than the Gen II version.
Amazon $329.99$329.99
12 Hughes Autoformers RV surge protectors ranked. Each one is scored and ranked against every brand in its service, so "#3 mid-size" means third of all mid-size RV surge protectors here, not third among Hughes Autoformers's own.
Hughes Autoformers makes 12 current RV surge protectors: 6 30 amp and 6 50 amp. Prices run from $139.99 for the Hughes Power Watchdog PWD30 to $399.99 for the Hughes Power Watchdog PWD50EPOW. Its best-rated model in each size: the Hughes Power Watchdog PWD30-EPO-H (#1 of 14 30 amp, rated 4.3) and the Hughes Power Watchdog PWD50-EPO-H (#1 of 14 50 amp, rated 4.4).
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Hughes Autoformers RV surge protectors 12
- Hughes Power Watchdog PWD50-EPO-H#1 50 ampFull review
A hardwired EMS with phone monitoring for 50 amp RVs. A good buy while it sells for less than the Gen II version.
Amazon $329.99$329.99EMS6,100 JHardwired - Hughes Power Watchdog PWD50-EPO#2 50 ampFull review
A full EMS with phone monitoring and a replaceable module for 50 amp RVs. Strong value when it sells below the Gen II price.
Amazon $339.99$339.99EMS6,100 JPortable - Hughes Power Watchdog PWD30-EPO-H#1 30 ampFull review
A hardwired EMS with phone monitoring for 30 amp RVs. A good buy while it sells for less than the Gen II version.
Amazon $226.34$226.34EMS3,000 JHardwired - Hughes Power Watchdog PWD30-EPO#4 30 ampFull review
A full EMS with phone monitoring and a replaceable module for 30 amp RVs. Strong value when it sells below the Gen II price.
Amazon $309.99$309.99EMS3,000 JPortable - Hughes Power Watchdog PWD50EPOHW#4 50 ampFull review
A connected hardwired EMS for 50 amp RVs that you can monitor and switch from anywhere. For owners who want theft proof protection with remote control.
Power Watchdog $399.99$399.99EMS-Hardwired - Hughes Power Watchdog PWD50EPOW#5 50 ampFull review
The most connected portable EMS for 50 amp RVs, with remote shutoff and a replaceable module. For owners who leave the RV plugged in while away.
Amazon $399.99$399.99EMS-Portable - Hughes Power Watchdog PWD30EPOHW#6 30 ampFull review
A connected hardwired EMS for 30 amp RVs that you can monitor and switch from anywhere. For owners who want theft proof protection with remote control.
Amazon $280$280EMS-Hardwired - Hughes Power Watchdog PWD30EPOW#7 30 ampFull review
The most connected portable EMS for 30 amp RVs, with remote shutoff and a replaceable module. For owners who leave the RV plugged in while away.
Amazon $309.99$309.99EMS-Portable - Hughes Power Watchdog PWD50#8 50 ampFull review
A surge protector with phone monitoring and a replaceable module for 50 amp RVs. It suits owners who want to watch park power but don’t need automatic shutoff.
Amazon $219.99$219.99Surge only6,100 JPortable - Hughes Power Watchdog PWD30#8 30 ampFull review
A surge protector with phone monitoring and a replaceable module for 30 amp RVs. It suits owners who want to watch park power but don’t need automatic shutoff.
Amazon $139.99$139.99Surge only3,000 JPortable - Hughes Power Watchdog PWD50W#12 50 ampFull review
A connected surge protector for 50 amp RVs that you can watch from anywhere. Buy the auto shutoff version if you want an EMS.
Amazon $249.99$249.99Surge only-Portable - Hughes Power Watchdog PWD30W#10 30 ampFull review
A connected surge protector for 30 amp RVs that you can watch from anywhere. Buy the auto shutoff version if you want an EMS.
Amazon $169.99$169.99Surge only-Portable
