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.

• · 275V DC
• · 230/400V AC
• · Maximum Surge Current 20kA
• · System Type = TT
• · 2 Pole (1Ph+N)
• · Remote Monitoring
• · IEC 61643-11