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Image is illustrative
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Surge Arrester, 3P+N, FS, T1+T2, Uc 320VAC, impulse current (10/350μs) Iimp 12.5kA/(N-PE)50kA, discharge current (8/20μs)| Imax 60kA, In 25kA/(N-PE)50kA, TT/TNS, Legrand Code:
412277
Cena
Manufacturer
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Availability:
28 days
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Weight:
0.6307 kg/pc
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Volume:
0.0009 m3/pc
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Surge Arrester, 3P+N, FS, T1+T2, Uc 320VAC, impulse current (10/350μs) Iimp 12.5kA/(N-PE)50kA, discharge current (8/20μs)| Imax 60kA, In 25kA/(N-PE)50kA, TT/TNS, Legrand
Recommendation / Restriction
- "To provide correct protection, a lightning arrester is recommended:
- at the origin of each installation (mandatory depending on the type and location of the installation to be protected,
- at the origin of divisional switchboards: secondary protection or fine protection of sensitive equipment,
- on all outputs of external electrical circuits (supply to secondary buildings, external lighting or external electrical panels, etc.).
A communication network arrester should always be installed to protect communication equipment in the presence of a lightning arrester on the low-voltage network."
Technical characteristics
| System configuration IT |
No |
| System configuration TN |
Yes |
| System configuration TN-C |
No |
| System configuration TN-C-S |
No |
| System configuration TN-S |
No |
| System configuration TT |
Yes |
| System configuration other |
No |
| Number of conductors (without earthing) |
4 |
| Nominal discharge surge current In (8/20) |
25 kA |
| Nominal voltage AC |
400 V |
| Max. continuous voltage AC |
320 V |
| Voltage protection level L-N |
2.2 kV |
| Voltage protection level N-PE |
1.5 kV |
| Integrated backup fuse |
No |
| Mounting method |
DIN rail (top hat rail) 35 mm |
| Construction size |
4 modular spacing |
| Max. conductor cross section solid (solid, stranded) |
35 mm² |
| Max. conductor cross section flexible (fine-strand) |
25 mm² |
| With remote signalling contact |
Yes |
| Signalling at the device |
Optical |
| Category type 2 |
Yes |
| Degree of protection (IP) |
IP20 |
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