The 8 Best Portable RV Surge Protectors

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This wiki has been updated 21 times since it was first published in October of 2018. A dependable surge protector can prevent damage to your RV’s appliances, gadgets, and air conditioning when electrical problems arise at your campsite, saving you the time and money associated with repairing or replacing your valuables. These portable models feature convenient plug-and-play designs, and some also safeguard against issues like faulty wiring and sustained high and low voltages. When users buy our independently chosen editorial recommendations, we may earn commissions to help fund the Wiki.

1. Progressive Industries EMS-PT50X

2. Hughes Autoformers PWD30-EPO

3. Progressive Industries SSP-50XL

Editor's Notes

October 08, 2020:

In this update, we added Progressive Industries SSP50 to the list. This basic, yet very reliable, 50-amp surge protector features a polarity tester and the ability to detect miswiring. While it’s not a comprehensive electrical management system, it performs well for what it’s designed to do. It’s thermally protected to handle extreme temperatures, and is resistant to wet conditions. It joins the Progressive Industries EMS-PT50X on the list, which is a more comprehensive solution available from the same manufacturer. It will help safeguard your rig from things like voltage fluctuations, power surges, and improperly wired shore power. It boasts a tough and lean housing, a secure locking bracket, and a durable pull handle. Like most portable models, this one features a simple plug-and-play design. For another basic, affordable model from the same manufacturer, look to the Progressive Industries SSP-50XL, which provides standard surge protection and also alerts you to problems before you plug in your vehicle, such as open neutral and miswiring. Progressive Industries products are made by a company that dedicates itself to only making surge protectors, and they’re backed by a lifetime warranty when they’re installed properly.

We also added in the Camco Power Defender 55310, a compact yellow model that plugs into the pedestal without the use of a wire that separates the plug and the unit. This budget-friendly 30-amp surge protector will alert you, via LED indictors, to a host of issues like open ground, open neutral, and reverse polarity; however, note that it’s not made to safeguard you from sustained high or low voltages. It joins the Camco 55306 on the list, which is a more comprehensive model that automatically disconnects when it detects a host of dangerous conditions, and reconnects after normal power conditions have been restored. To make way for today’s new additions, we removed the TRC Surge Guard With LCD, which is now a Southwire brand, and the highly similar Southwire 34930 already resides on the list, which provides almost the same amount of overload protection, which is 2,460 joules, and also features a clear LCD. We also removed the TRC Surge Guard Entry Level, which is highly similar to the Surge Guard 44280 in features and appearance. The 44280, however, incorporates a built-in rain guard.

December 24, 2018:

While no surge protector can guarantee you won't have issues with a rig's onboard electronics, the models listed here offer the most comprehensive and effective protection available, including detailed circuitry analysis, visual safety indicators, overload and fault detection, and — in some cases — digital readouts of current status. No matter how well your systems are protected, it's advisable to exercise caution with live circuitry, keeping an eye out for inclement weather, damaged wiring or components, and potential overloads (HVAC units can be particularly problematic).

4. Progressive Industries SSP50

5. Southwire 34930

6. Camco 55306

7. Surge Guard 44280

8. Camco Power Defender 55310

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Karen Bennett
Last updated by Karen Bennett

Karen Bennett lives in Chicago with her family, and when she’s not writing, she can usually be found practicing yoga or cheering on her kids at soccer games. She holds a master’s degree in journalism and a bachelor’s in English, and her writing has been published in various local newspapers, as well as “The Cheat Sheet,” “Illinois Legal Times,” and “USA Today.” She has also written search engine news page headlines and worked as a product manager for a digital marketing company. Her expertise is in literature, nonfiction, textbooks, home products, kids' games and toys, hardware, teaching accessories, and art materials.

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