Hughes Power Watchdog PWD30-EPO
#4 in 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$309.99
The Hughes Power Watchdog PWD30-EPO is the better RV surge protector overall, rated 4.1 to 4.0.
Hughes Power Watchdog PWD30EPOW
#7 in 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$309.99
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.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 30 amp RV surge protector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hughes Power Watchdog PWD30-EPO | Hughes Power Watchdog PWD30EPOW |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Protection 35% | 100 high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module | 100 high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module |
| Surge rating 10% | 82 3,000 joules | 50 surge rating not published (neutral score used) |
| Monitoring 10% | 50 app | 50 app |
| Price 20% | 8 $309.99 | 8 $309.99 |
| Warranty 25% | 100 lifetime warranty | 100 lifetime warranty |
Specifications
| Hughes Power Watchdog PWD30-EPO | Hughes Power Watchdog PWD30EPOW | |
|---|---|---|
| Protection | ||
| Service | 30 A | 30 A |
| Type | EMS | EMS |
| Surge rating | 3,000 J | - |
| Voltage cutoffs | 104 V / 132 V | 104 V / 132 V |
| Miswiring detection | Yes | Yes |
| Restart delay | Yes | Yes |
| Replaceable surge module | Yes | Yes |
| Build | ||
| Mount | Portable | Portable |
| Display | No | No |
| App | Yes | Yes |
| Weatherproof | Yes | Yes |
| Lock | - | Yes |
| Warranty | Lifetime | Lifetime |
| Released | - | 2025-02-01 |