The most connected portable EMS for 50 amp RVs, with remote shutoff and a replaceable module. For owners who leave the RV plugged in while away.
Amazon $399.99
A proven portable EMS for 50 amp coaches that does the whole job without an app. A good pick for owners who want full protection for about $200.
- EMSType
- 3,580 JSurge rating
- PortableMount
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Shuts the coach off on high or low voltage on either leg, not just surges
- 3,580 joules on a 50 amp unit for well under the price of most Bluetooth EMS units
- Restart delay protects air conditioner compressors
- Locking bracket deters theft at the pedestal
- No app; you read faults on the unit’s display
- Out of stock at Amazon when checked
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 | EMS | 4.2/5 | $135.88 |
| Progressive Industries EMS-PT50X (this one) | 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-PT50X |
|---|---|
| Protection | |
| Service | 50 A |
| Type | EMS |
| Surge rating | 3,580 J |
| Miswiring detection | Yes |
| Restart delay | Yes |
| Build | |
| Mount | Portable |
| Display | Yes |
| App | No |
| Weatherproof | Yes |
| Lock | Yes |
| Released | 2017-08-23 |
Alternatives in this service
A compact hardwired EMS for 50 amp coaches with published cutoffs and a repairable design. Worth it when it costs less than the HW50C.
Amazon $158.29A surge protector with phone monitoring and a replaceable module for 50 amp RVs. It suits owners who want to watch park power but don’t need automatic shutoff.
Amazon $219.99Compare
Compare the Progressive Industries EMS-PT50X with any other RV surge protector →
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