TRANSTECTR~AC Strip 19" RackMt 1RU, 6 Outlets, SASD Protected, UL1449/cUL/R56, 12' Cord AC surge protector / arrester (Also known as alternating current surge protection device or SPD as well as transient voltage surge suppressor or TVSS) ACPDU-6N-120SN2-TT is in-stock and will ship same business day as purchased from us. Our AC surge protector / SPD provides overvoltage protection for your equipment and supports long-term system reliability by absorbing high amounts of transient energy while maintaining a low clamping voltage. This industrial surge protector for AC helps prevent damage from VAC overvoltage that can be caused by lightning surge and other strong electrical power spikes. The transient voltage suppressor / TVSS protection device can act as a lightning surge protector / arrestor as well as an AC electrical overvoltage spike surge protection device.