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 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.
- EMSType
- 1,790 JSurge rating
- PortableMount
- LifetimeWarranty
Check price at Amazon$135.88
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Cuts power on high or low voltage and miswired pedestals, not just surges
- A 136 second restart delay protects the air conditioner compressor after an outage
- Lifetime warranty
- Locking bracket helps keep it on the pedestal
Cons
- No app, so you read the display at the pedestal
- Lower surge rating than Hughes and Southwire 30 amp EMS units
The Progressive Industries EMS-PT family
Every Progressive Industries EMS-PT model we rank, smallest first. Ratings compare each against its own service.
| Model | Type | Rating | Price |
|---|---|---|---|
| Progressive Industries EMS-PT30X (this one) | EMS | 4.2/5 | $135.88 |
| Progressive Industries EMS-PT50X | EMS | 3.5/5 | $199.99 |
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 | EMS-PT30X |
|---|---|
| Protection | |
| Service | 30 A |
| Type | EMS |
| Surge rating | 1,790 J |
| Miswiring detection | Yes |
| Restart delay | Yes |
| Build | |
| Mount | Portable |
| Display | Yes |
| App | No |
| Weatherproof | Yes |
| Lock | Yes |
| Warranty | Lifetime |
Alternatives in this service
Southwire Surge Guard 35530
#2 in 30 ampFull review
A hardwired 30 amp EMS with a lifetime warranty for about $150. For trailer owners who want theft proof protection.
Amazon $154.97$154.97
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
Compare
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