Hughes Power Watchdog PWD30-EPO-H
#1 in 30 ampFull review
A hardwired EMS with phone monitoring for 30 amp RVs. A good buy while it sells for less than the Gen II version.
Amazon $226.34$226.34
4.2/5
A hardwired 30 amp EMS with a lifetime warranty for about $150. For trailer owners who want theft proof protection.
- EMSType
- 2,450 JSurge rating
- HardwiredMount
- LifetimeWarranty
Check price at Amazon$154.97
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Cuts power below 102 V or above 132 V, hidden inside the trailer
- 128 second restart delay protects the air conditioner
- Lifetime warranty that also covers connected equipment
Cons
- Needs a hardwired install
- Remote display costs extra; no app
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its service. How we rank explains each one.
Specifications
| Model number | 35530 |
|---|---|
| Protection | |
| Service | 30 A |
| Type | EMS |
| Surge rating | 2,450 J |
| Voltage cutoffs | 102 V / 132 V |
| Miswiring detection | Yes |
| Restart delay | Yes |
| Build | |
| Mount | Hardwired |
| Display | Yes |
| App | No |
| Warranty | Lifetime |
Alternatives in this service
Progressive Industries EMS-PT30X
#3 in 30 ampFull review
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 $135.88$135.88
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
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