Southwire Surge Guard 34951
#3 in 50 ampFull review
A thorough 50 amp EMS with a long warranty for big coaches. Worth the premium mainly for the extra neutral protection and the warranty.
Nomadic Supply $399.95$399.95
The Southwire Surge Guard 34951 is the better RV surge protector overall, rated 4.3 to 4.1. The Southwire Surge Guard 34951 leads on monitoring. The Hughes Power Watchdog PWD50EPOHW wins on protection.
Hughes Power Watchdog PWD50EPOHW
#4 in 50 ampFull review
A connected hardwired EMS for 50 amp RVs that you can monitor and switch from anywhere. For owners who want theft proof protection with remote control.
Power Watchdog $399.99$399.99
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 Southwire Surge Guard 34951 for monitoring (volts and amps display and app vs app).
- Choose the Hughes Power Watchdog PWD50EPOHW 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 50 amp RV surge protector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Southwire Surge Guard 34951 | Hughes Power Watchdog PWD50EPOHW |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| 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% | 100 4,200 joules | 50 surge rating not published (neutral score used) |
| Monitoring 10% | 100 volts and amps display and app | 50 app |
| Price 20% | 21 $399.95 | 21 $399.99 |
| Warranty 25% | 100 lifetime warranty | 100 lifetime warranty |
Specifications
| Southwire Surge Guard 34951 | Hughes Power Watchdog PWD50EPOHW | |
|---|---|---|
| Protection | ||
| Service | 50 A | 50 A |
| Type | EMS | EMS |
| Surge rating | 4,200 J | - |
| Voltage cutoffs | 102 V / 132 V | 104 V / 132 V |
| Miswiring detection | Yes | Yes |
| Restart delay | Yes | Yes |
| Replaceable surge module | - | Yes |
| Build | ||
| Mount | Portable | Hardwired |
| Display | Yes | No |
| App | Yes | Yes |
| Weatherproof | Yes | - |
| Lock | Yes | - |
| Warranty | Lifetime | Lifetime |