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
The Hughes Power Watchdog PWD30 rates 3.5 among 30 amp RV surge protectors; the Progressive Industries EMS-HW50C rates 3.3 among 50 amp ones. The Hughes Power Watchdog PWD30 costs $49 less ($139.99 vs $188.99).
Progressive Industries EMS-HW50C
#11 in 50 ampFull review
The standard hardwired EMS for 50 amp coaches at under $200. Best for owners who are happy to install it once and forget it.
Amazon $188.99$188.99
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
These two sit in different service classes (30 amp and 50 amp), and each is scored against the reference points for its own class, so a rating says how well each does among its own service peers. How we rank explains each factor.
| Factor weight | Hughes Power Watchdog PWD30 | Progressive Industries EMS-HW50C |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Protection 35% | 15 replaceable surge module | 70 high and low voltage cutoff, miswiring detection |
| Surge rating 10% | 82 3,000 joules | 93 3,580 joules |
| Monitoring 10% | 50 app | 50 volts and amps display |
| Price 20% | 62 $139.99 | 70 $188.99 |
| Warranty 25% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| Hughes Power Watchdog PWD30 | Progressive Industries EMS-HW50C | |
|---|---|---|
| Protection | ||
| Service | 30 A | 50 A |
| Type | Surge only | EMS |
| Surge rating | 3,000 J | 3,580 J |
| Miswiring detection | No | Yes |
| Restart delay | No | - |
| Replaceable surge module | Yes | - |
| Build | ||
| Mount | Portable | Hardwired |
| Display | No | Yes |
| App | Yes | No |
| Weatherproof | Yes | - |
| Warranty | Lifetime | - |
| Released | 2018-01-16 | 2010-03-02 |