Residential Surge Protective Devices Residential Surge Protective Devices THOMESURGE Surge Protective Device THOMESURGE is a Type 1 SPD designed for service entrance or subpanel locations and provides surge protection for the entire home. THQLSURGE Surge Protective DeviceTHQLSURGE is a Type 1 SPD with 25kVA per phase protection for 120/240 applications THQLSURGE2 Surge Protective DeviceTHQLSURGE2 is a Type 1 plug-on SPD for 120/240 applications. The current rating is 25kA per phase protection. Publications AdsBrochuresCatalogs and Buyers GuidesData SheetsInstallation and InstructionPresentations Other Surge Protective Devices Data Line SPDs Joslyn Surge Protection Current Technology Surge Protection DIN Rail SPD NEMA SPD Residential Surge Protective Devices