The Finder 7P.27.8.275.1020 surge arrester offers reliable surge protection for switchboards. Designed with robust attributes, it ensures the safeguarding of electrical systems from voltage spikes. Ideal for use in industrial and commercial settings, it provides essential protection for sensitive equipment.
| Type |
Surge arrester |
| Category type 2 |
true |
| Construction size |
2 modular spacing |
| Degree of protection (IP) |
IP20 |
| Depth |
65.9mm |
| Dim |
(W x H x D) 35.8 x 87.6 x 65.9 mm |
| Height |
87.6mm |
| 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 |
N/A |
| 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) |
2 |
| Operating Temperature |
-40 - +80°C |
| 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 |
false |
| System configuration TN-S |
false |
| System configuration TT |
false |
| Voltage protection level |
N/A |
| Voltage protection level L-N |
1.35kV |
| Voltage protection level N-PE |
1.35kV |
| Voltage Rating |
230V AC |
| Width |
35.8mm |
| With remote signalling contact |
true |
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