83020148 - Mersen Surge-Trap STPT2-40K320V-4PG SPD Type 2 40kA Uc320V 3+1 TT 4 Poles 4 Modules Pluggable

STPT2-40K320V-4PG Mersen Surge-Trap; SPD Type 2; 40kA; Uc320V; 3+1 TT; 4 Poles; 4 Modules; Pluggable

STP T2 40 is the series of Type 2/Class II devices for discharging voltage surges, in accordance with EN/IEC 61643-11 and certified UL 1449 4th Ed. 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.