Surge protection for power supply 7P.21.8.275.1020

Surge protection for power supply 7P.21.8.275.1020 – Finder – 8012823334684: Surge protection for power supply, System configuration DC no, System configuration IT no, System configuration TN yes, System configuration TN-C no, System configuration TN-CS no, System configuration TN-S no, System configuration TT no, System configuration other no, Number of conductors (without earth) 1, Nominal discharge surge current (8/20) 20 kA, Rated voltage AC 230V, Short-circuit resistance (Isccr) 50 kA, Highest continuous voltage AC 275 V, Max. Surge current (8/20) 40 kA, Highest continuous voltage DC 350V, Mounting DIN rail TH35, Size 1 TE, Protection level 1.2 kV, Protection level L-N 1.2 kV, Protection level N-PE 1.2 kV, With telecommunication contact yes, Integrated back-up fuse no, Signaling on the device optical, Test class type 2 yes, Degree of protection (IP) IP20