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 rates 3.1 among 30 amp RV surge protectors; the Progressive Industries SSP-50XL rates 2.4 among 50 amp ones. The Progressive Industries SSP-50XL costs $77.13 less ($74.18 vs $151.31).
Progressive Industries SSP-50XL
#13 in 50 ampFull review
A budget surge protector for 50 amp coaches when an EMS is out of reach. It guards against spikes but not against low voltage.
Amazon $74.18$74.18
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.
Scores side by side
These two sit in different service classes (30 amp and 50 amp), and each is scored against the reference points for its own class, so a rating says how well each does among its own service peers. How we rank explains each factor.
| Factor weight | Progressive Industries EMS-HW30C | Progressive Industries SSP-50XL |
|---|---|---|
| Overall rating | 3.1/5 | 2.4/5 |
| Protection 35% | 70 high and low voltage cutoff, miswiring detection | 0 surge only |
| Surge rating 10% | 50 1,790 joules | 45 1,650 joules |
| Monitoring 10% | 50 volts and amps display | 0 indicator lights only |
| Price 20% | 57 $151.31 | 100 $74.18 |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Progressive Industries EMS-HW30C | Progressive Industries SSP-50XL | |
|---|---|---|
| Protection | ||
| Service | 30 A | 50 A |
| Type | EMS | Surge only |
| Surge rating | 1,790 J | 1,650 J |
| Miswiring detection | Yes | - |
| Build | ||
| Mount | Hardwired | Portable |
| Display | Yes | No |
| App | No | No |
| Weatherproof | - | Yes |
| Released | 2009-10-26 | 2016-07-20 |