The Finder surge arrester 7P.25.8.275.1020 is manufactured by Finder and features a 20 kA capacity, making it ideal for protecting electrical equipment from voltage spikes. This reliable device is typically used in residential, commercial, and industrial applications to safeguard circuits from transient surges. The product is available in a single piece configuration for convenient installation.
| Type |
Surge arrester |
| Category type 2 |
true |
| Construction size |
4 modular spacing |
| Degree of protection (IP) |
IP20 |
| Integrated backup fuse |
false |
| Integrated short-circuit protection |
N/A |
| Integrated short-circuit protection selective to fuse gG |
N/A |
| Leakage Current |
20kA |
| Leakage-current free |
N/A |
| Max. conductor cross section flexible (fine-strand) |
N/A |
| Max. conductor cross section solid (solid, stranded) |
N/A |
| Max. continuous voltage AC |
275V |
| Max. continuous voltage DC |
350V |
| Max. discharge surge current (8/20) |
40kA |
| Max. overcurrent protection device, parallel connection (fuse) |
160A |
| Max. overcurrent protection device, series connection (fuse) |
N/A |
| Max. PV-voltage |
N/A |
| Misc Attribute |
Type 2: |
| Mounting Method |
DIN rail (top hat rail) 35mm |
| Nominal discharge surge current (8/20) |
20kA |
| Nominal voltage AC |
230V |
| Nominal voltage DC |
N/A |
| Number of conductors (without earthing) |
4 |
| Operating Temperature |
-40 to 80°C |
| Short-circuit breaking capacity (Isccr) |
50kA |
| Signalling at the device |
Optical |
| System configuration DC |
false |
| System configuration IT |
false |
| System configuration other |
false |
| System configuration TN |
false |
| System configuration TN-C |
false |
| System configuration TN-C-S |
false |
| System configuration TN-S |
true |
| System configuration TT |
false |
| Voltage protection level |
N/A |
| Voltage protection level L-N |
1.35kV |
| Voltage protection level N-PE |
1.35kV |
| With remote signalling contact |
true |
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