Mersen UL Type 1 Surge Protective Device (SPD), 20 kA discharge current, 240 VAC 3-Phase Delta, NEMA 4/4X enclosure rating, LED indication, 3/4in NPSM mount. Learn More
Mersen UL Type 1 Surge Protective Device (SPD), 20 kA discharge current, 480/277 VAC 3-Phase Wye, NEMA 4/4X enclosure rating, LED indication, 3/4in NPSM mount. Learn More
Mersen UL Type 1 Surge Protective Device (SPD), 20 kA discharge current, 208/120 VAC 3-Phase Wye, NEMA 4/4X enclosure rating, LED indication, 3/4in NPSM mount. Learn More
Mersen UL Type 1 Surge Protective Device (SPD), 20 kA discharge current, 240/120 VAC Split Phase, NEMA 4/4X enclosure rating, LED indication, 3/4in NPSM mount. Learn More