THQLSURGE2 is a Type 1 plug-on SPD that helps protect entire homes or offices’ electronics and appliances against damaging power surges. It can be installed at service entrances, subpanel locations, or inside PowerMark™ PRO load centers, providing surge protection for the entire panel and all attached loads. THQLSURGE2 is reliable, compact, and easy to install. Plus, it complies with SPD requirements noted in NEC 2023. Type 1 SPD Simple plug-on design LED light indicating proper functioning Compatible with PowerMark™ PRO load centers Meets the surge requirements of NEC 2023 Art.230.67 3-years, up to $25,000 connected equipment warranty valid in the U.S. Technical specifications 25kA per phase protection Type 1 SPD 120/240V SCCR tested up to 22kA 10kA Nominal discharge 50-60Hz Operating frequency Up to 25,000 ampere surge capacity per phase Applications New home construction (single or multi-family) Renovations Certification and standards NEC 2023 – 230.67 UL 1449 5th edition