Mersen Surge Protector - 83020146 / STPT2-40K275V-4PG

STP T2 40 is the series of Type 2/Class II devices for discharging voltage surges. Suitable for the second stage of protection in supply distribution panels in which Type 1 protection devices are installed upstream, or for the first stage of protection in commercial or other applications not exposed to direct strikes and with no external lightning protection system.