A well built surge protector for 30 amp trailers with extra diagnostics and a lifetime warranty. Pick an EMS instead if you camp where voltage sags.
Amazon $97.69The Southwire Surge Guard 44280 is the better RV surge protector overall, rated 3.2 to 2.2. The Southwire Surge Guard 44280 leads on surge rating. The Progressive Industries SSP-30XL wins on price. The Progressive Industries SSP-30XL costs $46.14 less ($51.55 vs $97.69).
A low cost surge protector for 30 amp trailers that camp at well kept parks. Owners who face unreliable power should spend more on an EMS.
Amazon $51.55Prices 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 Southwire Surge Guard 44280 for surge rating (2,100 joules vs 825 joules).
- Choose the Progressive Industries SSP-30XL for price ($51.55 vs $97.69).
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 | Southwire Surge Guard 44280 | Progressive Industries SSP-30XL |
|---|---|---|
| Overall rating | 3.2/5 | 2.2/5 |
| Protection 35% | 0 surge only | 0 surge only |
| Surge rating 10% | 60 2,100 joules | 2 825 joules |
| Monitoring 10% | 0 indicator lights only | 0 indicator lights only |
| Price 20% | 86 $97.69 | 100 $51.55 |
| Warranty 25% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| Southwire Surge Guard 44280 | Progressive Industries SSP-30XL | |
|---|---|---|
| Protection | ||
| Service | 30 A | 30 A |
| Type | Surge only | Surge only |
| Surge rating | 2,100 J | 825 J |
| Build | ||
| Mount | Portable | Portable |
| Display | No | No |
| App | No | No |
| Weatherproof | Yes | Yes |
| Lock | Yes | - |
| Warranty | Lifetime | - |
| Released | - | 2016-07-20 |
