Finder SPD type 2, 1-phase, 2 varistors, FM

Surge Protective Devices (SPD)
Mounting type: TH35 rail
With remote signaling contact: yes
Number of conductors (excluding earth): 2
Size: 2 TE
Maximum continuous voltage AC: 275 V
Nominal discharge current (8/20): 20 kA
Nominal voltage AC: 230 V
Test class Type 2: yes
Protection level L-N: 1.35 kV
Device signaling: optical
Protection class (IP): IP20
Protection level N-PE: 1.35 kV
Integrated pre-fuse: no
Network type DC: no
Network type IT: no
Network type TN: yes
Network type TN-C: yes
Network type TN-S: no
Network type TT: no
Other network types: no
Network type TN-C-S: no
Max. discharge current (8/20): 40 kA
Short-circuit strength (Isccr): 50 kA.