Surge arrester C Type 2 4P 20kA 1.5kV DEHNguard M TNS 275 952400 DEHN
- Surge arrester C Type 2 4P 20kA 1.5kV DEHNguard M TNS 275 952400 DEHN
Surge arrester C Type 2 4P 20kA 1.5kV DEHNguard M TNS 275 952400 DEHN
Technical data:
| Surge arrester in accordance with EN 61643-11 | type 2 / Class II |
| Energy coordination with terminal device (≤ 10 m) | type 2 + Type 3 |
| Rated AC voltage (UN ) | 230 / 400 V (50 / 60 Hz) |
| Highest continuous operating voltage AC (UC ) | 275 V (50 / 60 Hz) |
| Rated discharge current (8/20 µs) (In ) | 20 kA |
| Maximum discharge current (8/20 µs) (Imax ) | 40 kA |
| Voltage protection level [L-PE]/[N-PE] (UP ) | ≤ 1.5 / ≤ 1.5 kV |
| Voltage protection level [L-PE]/[N-PE] at 5 kA (UP ) | ≤ 1 / ≤ 1 kV |
| Tripping time (tA ) | ≤ 25 ns |
| Maximum additional fuse | 125 A gG |
| Short-circuit strength at maximum fuse (ISCCR ) | 50 kArms |
| Transient overvoltage (TOV) (UT) - feature | 335 V / 5 s - robust |
| Casual surges (TOV) (UT) - feature | 440 V / 120 min - safe failure |
| Operating temperature range (TU ) | -40°C ... +80°C |
| Function / fault indicator | green / red |
| Number of ports | 1 |
| Cross section of wires (min.) | 1.5 mm2 wire / cable |
| Cross section of wires (max.) | 35 mm2 multi-strand / 25 mm2 wire |
| Mounting | on a 35 mm rail in accordance with EN 60715 |
| Housing material | thermoplastic, red, UL 94 V-0 |
| Mounting location | indoors |
| Degree of protection | IP 20 |
| Mounting width | 4 module(s), DIN 43880 |
| Certifications | KEMA, VDE, UL |
952400 Dehn
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