A full EMS for 30 amp trailers at a moderate price, backed by a lifetime warranty. Good for anyone who camps at older parks with shaky voltage.
Amazon $149.59The Progressive Industries EMS-PT30X is the better RV surge protector overall, rated 4.2 to 4.0. The Progressive Industries EMS-PT30X leads on price. The Hughes Power Watchdog PWD30EPOW wins on protection. The Progressive Industries EMS-PT30X costs $160.40 less ($149.59 vs $309.99).
Prices were last checked November 3, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
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 $309.99Which should you buy?
- Choose the Progressive Industries EMS-PT30X for price ($149.59 vs $309.99).
- Choose the Hughes Power Watchdog PWD30EPOW for protection (high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module vs high and low voltage cutoff, miswiring detection, restart delay).
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 | Progressive Industries EMS-PT30X | Hughes Power Watchdog PWD30EPOW |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Protection 35% | 85 high and low voltage cutoff, miswiring detection, restart delay | 100 high and low voltage cutoff, miswiring detection, restart delay, replaceable surge module |
| Surge rating 10% | 50 1,790 joules | 50 surge rating not published (neutral score used) |
| Monitoring 10% | 50 volts and amps display | 50 app |
| Price 20% | 58 $149.59 | 8 $309.99 |
| Warranty 25% | 100 lifetime warranty | 100 lifetime warranty |
Specifications
| Progressive Industries EMS-PT30X | Hughes Power Watchdog PWD30EPOW | |
|---|---|---|
| Protection | ||
| Service | 30 A | 30 A |
| Type | EMS | EMS |
| Surge rating | 1,790 J | - |
| Voltage cutoffs | - | 104 V / 132 V |
| Miswiring detection | Yes | Yes |
| Restart delay | Yes | Yes |
| Replaceable surge module | - | Yes |
| Build | ||
| Mount | Portable | Portable |
| Display | Yes | No |
| App | No | Yes |
| Weatherproof | Yes | Yes |
| Lock | Yes | Yes |
| Warranty | Lifetime | Lifetime |
| Released | - | 2025-02-01 |
