![]() ![]() (For more information on kA ratings, read the section Voltage and Surge Protector Ratings below our product reviews.)įinally, premium brands may offer extensive features and high levels of protection, but not everyone feels they are necessary. National Electrical Manufacturer Association (NEMA) ratings are key to knowing which device can be installed where, so we chose a number of alternatives to maximize user choice. Some devices suppress surges better than others, and the most advanced models may have a comparatively low kA rating. Generally speaking, a higher kiloAmps (kA) rating means greater protection. For those without electrical knowledge, the field can be a confusing one, so I tried to keep the selection criteria as straightforward as possible. Photo: How We Chose the Best Whole-House Surge ProtectorsĪs an engineer and home remodeler, I have some experience with surge protection devices (SPD). ALSO CONSIDER: Intermatic IG2240-IMSK Metal Surge Protective Device.HONORABLE MENTION: Intermatic IG1240RC3 6-Mode Surge Protective Device.BEST FLUSH-MOUNT: Leviton 51110-SRG Type 2 Residential Surge Protection.BEST HEAVY-DUTY: Eaton CHSPT2ULTRA Surge Protection Device.BEST MIDRANGE: Schneider Electric Square D HEPD80 Surge Protection.BEST BANG FOR THE BUCK: Eaton CHSPT2SURGE SPD Type 2 Surge Protector.RUNNER-UP: Leviton 51120-1 Type 2 Single Phase Surge Panel.BEST OVERALL: Siemens FirstSurge FS140 Total Home Surge Protection. ![]() This guide will help you determine how to choose the best whole-house surge protector for your property. Excess electricity has the capacity to damage everything from a computer, TV, or refrigerator to the compressor of an HVAC system.įortunately, devices to prevent these problems are surprisingly affordable-particularly when weighed against the cost of damaged items that would need to be replaced. A power surge may last only a fraction of a second, but the results inside the home can be long lasting or even catastrophic. Additionally, brownouts, or drops in voltage in an electrical power supply system, often result in a surge as power is restored. Faults or fires in main transformers or generating equipment can cause a disruption in your home’s power supply. Extreme weather conditions like hurricanes, tornadoes, blizzards, and thunderstorms pose obvious power-outage threats, but other factors contribute to voltage surges more often than you might realize.
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