Southwire Surge Guard 34951
#3 in 50 ampFull review
A thorough 50 amp EMS with a long warranty for big coaches. Worth the premium mainly for the extra neutral protection and the warranty.
Nomadic Supply $399.95$399.95
7 Southwire RV surge protectors ranked. Each one is scored and ranked against every brand in its service, so "#3 mid-size" means third of all mid-size RV surge protectors here, not third among Southwire's own.
Southwire makes 7 current RV surge protectors: 4 30 amp and 3 50 amp. Prices run from $77.99 for the Southwire Surge Guard 44290 to $399.95 for the Southwire Surge Guard 34951. Its best-rated model in each size: the Southwire Surge Guard 35530 (#2 of 14 30 amp, rated 4.2) and the Southwire Surge Guard 34951 (#3 of 14 50 amp, rated 4.3).
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.
Southwire RV surge protectors 7
- Southwire Surge Guard 34951#3 50 ampFull review
A thorough 50 amp EMS with a long warranty for big coaches. Worth the premium mainly for the extra neutral protection and the warranty.
Nomadic Supply $399.95$399.95EMS4,200 JPortable - Southwire Surge Guard 35530#2 30 ampFull review
A hardwired 30 amp EMS with a lifetime warranty for about $150. For trailer owners who want theft proof protection.
Amazon $154.97$154.97EMS2,450 JHardwired - Southwire Surge Guard 34931#5 30 ampFull review
A complete 30 amp EMS with an app and the best warranty terms here. For owners who want everything and don’t mind the price.
Amazon $301.12$301.12EMS2,450 JPortable - Southwire Surge Guard 44270#9 50 ampFull review
The best surge rating per dollar among 50 amp protectors here. A good choice when the budget won’t stretch to an EMS.
Amazon $82.53$82.53Surge only4,200 JPortable - Southwire Surge Guard 44290#10 50 ampFull review
A high capacity 50 amp surge protector with more diagnostics than its price suggests. For coaches that don’t need voltage cutoff.
Amazon $77.99$77.99Surge only4,200 JPortable - Southwire Surge Guard 44260#9 30 ampFull review
A simple surge protector with a strong warranty for 30 amp trailers. It warns of problems but leaves the decision to you.
Camping World $85.63$85.63Surge only2,100 JPortable - Southwire Surge Guard 44280#11 30 ampFull review
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 $97.69$97.69Surge only2,100 JPortable
