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 3.5. The Hughes Power Watchdog PWD30-EPO leads on protection. The Hughes Power Watchdog PWD30 wins on price. The Hughes Power Watchdog PWD30 costs $170 less ($139.99 vs $309.99).
Hughes Power Watchdog PWD30
#8 in 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$139.99
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.
Which should you buy?
- Choose the Hughes Power Watchdog PWD30-EPO for protection (high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module vs replaceable surge module).
- Choose the Hughes Power Watchdog PWD30 for price ($139.99 vs $309.99).
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 PWD30 |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Protection 35% | 100 high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module | 15 replaceable surge module |
| Surge rating 10% | 82 3,000 joules | 82 3,000 joules |
| Monitoring 10% | 50 app | 50 app |
| Price 20% | 8 $309.99 | 62 $139.99 |
| Warranty 25% | 100 lifetime warranty | 100 lifetime warranty |
Specifications
| Hughes Power Watchdog PWD30-EPO | Hughes Power Watchdog PWD30 | |
|---|---|---|
| Protection | ||
| Service | 30 A | 30 A |
| Type | EMS | Surge only |
| Surge rating | 3,000 J | 3,000 J |
| Voltage cutoffs | 104 V / 132 V | - |
| Miswiring detection | Yes | No |
| Restart delay | Yes | No |
| Replaceable surge module | Yes | Yes |
| Build | ||
| Mount | Portable | Portable |
| Display | No | No |
| App | Yes | Yes |
| Weatherproof | Yes | Yes |
| Warranty | Lifetime | Lifetime |
| Released | - | 2018-01-16 |