Does a Type 1 SPD perform better than a Type 2 SPD?
prosurge2019-01-11T15:19:22+08:00Not necessarily. A Type 1 SPD offers versatility by being able to be connected to either side of service entrance, however UL does not compare the surge clamping performance of a Type 1 SPD versus that of a Type 2 SPD. UL investigates clamping performance of all SPDs equally, without regard for SPD type. UL [...]