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
A surge protecting 50 amp dogbone that is only worth it on sale. At full price an EMS protects far more.
- Surge onlyType
- 4,200 JSurge rating
- PortableMount
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- 4,200 joules in a short 50 amp dogbone
- Lights check pedestal wiring before you connect
- Power Grip handles for easier plugging
- At the checked price it costs as much as a full 50 amp EMS
- Indicates faults only; no voltage cutoff
- Limited stock at Amazon
The Camco Power Grip Surge Protector family
Every Camco Power Grip Surge Protector model we rank, smallest first. Ratings compare each against its own service.
| Model | Type | Rating | Price |
|---|---|---|---|
| Camco Power Grip 30A Circuit Analyzer | Surge only | 2.3/5 | $54.99 |
| Camco Power Grip 50A Circuit Analyzer (this one) | Surge only | 2.3/5 | $200.50 |
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 | 55319 |
|---|---|
| Protection | |
| Service | 50 A |
| Type | Surge only |
| Surge rating | 4,200 J |
| Miswiring detection | No |
| Build | |
| Mount | Portable |
| Display | No |
| App | No |
| Weatherproof | Yes |
Alternatives in this service
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 $249.99A budget surge protector for 50 amp coaches when an EMS is out of reach. It guards against spikes but not against low voltage.
Amazon $74.18Compare
Compare the Camco Power Grip 50A Circuit Analyzer with any other RV surge protector →
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