Power Line SPD - DIN-RAIL IEC TYPE 2+3/UL CSA
ST T23 20 is the series of combined Type 2+3/Class II+III surge protective devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643-11.
Suitable as the final stage of protection in panels with Type 2 protection devices installed upstream such as STP T2 40 SPDs. These SPDs should be installed as close as possible to the equipment being protected. Also available with EMI filter.