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
The Progressive Industries EMS-HW50C is the better RV surge protector overall, rated 3.3 to 3.3. The Progressive Industries EMS-HW50C leads on protection and price. The Progressive Industries EMS-HW50C costs $61 less ($188.99 vs $249.99).
Hughes Power Watchdog PWD50W
#12 in 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$249.99
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 Progressive Industries EMS-HW50C for protection (high and low voltage cutoff, miswiring detection vs replaceable surge module) and price ($188.99 vs $249.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 50 amp RV surge protector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Progressive Industries EMS-HW50C | Hughes Power Watchdog PWD50W |
|---|---|---|
| Overall rating | 3.3/5 | 3.3/5 |
| Protection 35% | 70 high and low voltage cutoff, miswiring detection | 15 replaceable surge module |
| Surge rating 10% | 93 3,580 joules | 50 surge rating not published (neutral score used) |
| Monitoring 10% | 50 volts and amps display | 50 app |
| Price 20% | 70 $188.99 | 52 $249.99 |
| Warranty 25% | 0 warranty not published, scored as none | 100 lifetime warranty |
Specifications
| Progressive Industries EMS-HW50C | Hughes Power Watchdog PWD50W | |
|---|---|---|
| Protection | ||
| Service | 50 A | 50 A |
| Type | EMS | Surge only |
| Surge rating | 3,580 J | - |
| Miswiring detection | Yes | No |
| Restart delay | - | No |
| Replaceable surge module | - | Yes |
| Build | ||
| Mount | Hardwired | Portable |
| Display | Yes | No |
| App | No | Yes |
| Weatherproof | - | Yes |
| Lock | - | Yes |
| Warranty | - | Lifetime |
| Released | 2010-03-02 | 2025-02-01 |