The Finder 7P.23.8.275.0020 surge arrester ensures effective surge protection for switchboards. It is designed to safeguard electrical equipment from voltage spikes, providing reliable performance in critical applications. This product is ideal for use in commercial and industrial electrical installations.
| Type |
Surge arrester |
| Category type 2 |
true |
| Construction size |
3 modular spacing |
| Degree of protection (IP) |
IP20 |
| Factory colour |
Grey |
| Integrated backup fuse |
false |
| Integrated short-circuit protection |
N/A |
| Integrated short-circuit protection selective to fuse gG |
N/A |
| IP Rating |
IP20 |
| 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 |
SPD 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) |
3 |
| Short-circuit breaking capacity (Isccr) |
50kA |
| Signalling at the device |
Optical |
| Surge protection for |
Switchboards |
| System configuration DC |
false |
| System configuration IT |
false |
| System configuration other |
false |
| System configuration TN |
true |
| System configuration TN-C |
true |
| System configuration TN-C-S |
true |
| System configuration TN-S |
false |
| System configuration TT |
false |
| Voltage protection level |
1.35kV |
| Voltage protection level L-N |
1.35kV |
| Voltage protection level N-PE |
1.35kV |
| Voltage Rating |
275V AC |
| With remote signalling contact |
false |
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