The Finder 7P.24.8.275.1020 surge arrester provides surge protection for switchboards with a capacity of 20 kA. It offers essential overvoltage and overcurrent protection, ensuring safety and reliability in electrical systems. Typically utilised in applications requiring lightning protection for maintaining uninterrupted power supply.
| Type |
Surge arrester |
| Category type 2 |
true |
| Construction size |
4 modular spacing |
| Current Ratng |
16A |
| Degree of protection (IP) |
IP20 |
| Dim |
(L x W x H) 89.8 x 70 x 56.9 mm |
| Height |
56.9mm |
| 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 |
20kA |
| Leakage-current free |
N/A |
| Length |
89.8mm |
| 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 - 3-phase + sparks stretch |
| 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 |
| Surge protection for |
Switchboards |
| 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 |
true |
| Voltage protection level |
N/A |
| Voltage protection level L-N |
1.35kV |
| Voltage protection level N-PE |
1.5kV |
| Voltage Rating |
230V |
| Width |
70mm |
| With remote signalling contact |
true |
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