Progressive Industries EMS-HW30C
#12 in 30 ampFull review
A long running hardwired EMS for 30 amp trailers. For owners who want protection that is always connected and can’t walk off the pedestal.
Amazon $151.31$151.31
The Progressive Industries EMS-HW30C is the better RV surge protector overall, rated 3.1 to 2.3. The Progressive Industries EMS-HW30C leads on protection, monitoring and surge rating. The Camco Power Grip 30A Circuit Analyzer wins on price. The Camco Power Grip 30A Circuit Analyzer costs $96.32 less ($54.99 vs $151.31).
Camco Power Grip 30A Circuit Analyzer
#13 in 30 ampFull review
A basic surge and wiring check built into a short 30 amp cord. Fine for occasional campers on a tight budget.
Amazon $54.99$54.99
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 Progressive Industries EMS-HW30C for protection (high and low voltage cutoff, miswiring detection vs surge only), monitoring (volts and amps display vs indicator lights only) and surge rating (1,790 joules vs 1,050 joules).
- Choose the Camco Power Grip 30A Circuit Analyzer for price ($54.99 vs $151.31).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 30 amp RV surge protector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Progressive Industries EMS-HW30C | Camco Power Grip 30A Circuit Analyzer |
|---|---|---|
| Overall rating | 3.1/5 | 2.3/5 |
| Protection 35% | 70 high and low voltage cutoff, miswiring detection | 0 surge only |
| Surge rating 10% | 50 1,790 joules | 17 1,050 joules |
| Monitoring 10% | 50 volts and amps display | 0 indicator lights only |
| Price 20% | 57 $151.31 | 100 $54.99 |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Progressive Industries EMS-HW30C | Camco Power Grip 30A Circuit Analyzer | |
|---|---|---|
| Protection | ||
| Service | 30 A | 30 A |
| Type | EMS | Surge only |
| Surge rating | 1,790 J | 1,050 J |
| Miswiring detection | Yes | No |
| Build | ||
| Mount | Hardwired | Portable |
| Display | Yes | No |
| App | No | No |
| Weatherproof | - | Yes |
| Released | 2009-10-26 | 2026-05-01 |