EP C TT1+1 275/FM
Article Nr. : 381183
Compact and leakage-current free 2-pole surge arrester, e.g. for a 1-phase TT and TN system.
- Surge Protective Device type 2, class II
- Test standard: IEC 61643-11 / EN 61643-11
- Monitoring of conductor and arrester via LED
- EAC certification
| IEC category | Type 2 /class II |
| Nominal voltage ACUN | 230/400 V~ |
| Max. continuous operating voltage AC (50/60 Hz) Uc | 275/480 V~ |
| Protection level at 5 kAUp | ≤ 1,0 kV |
| Protection level at In (8/20 µs)Up | ≤ 1,4 kV |
| Response timetA | <25 ns |
| Nominal discharge current (8/20 µs)In | 15 kA |
| Max. impulse discharge current (8/20 µs)Imax | 40 kA |
| Lightning impulse current (10/350 µs) N-PEIimp | 12 (6 As) kA |
| Max. allowed fuse or back-up fuse | 125 A gG |
Additional Information
| Operating temperature rangeTU | -40 - +80 °C |
| Max. conductor cross section | stranded 35/fine stranded 25 mm² |
| Recommended conductor cross section | 16 mm² |
| Max. connection torque for terminals | 4,0 Nm |
| Enclosure material / colour | polycarbonate (halogen-free) UL 94-V0 / yellow |
| Degree of protection (IEC EN 60529) | IP 20 |
| Mounting on | 35 mm DIN rail (EN 60715) |
| FM contact / contact type | break contact |
| Switching capacity FM | 250 V/2 A |
| Max. conductor cross section FM | 1,5 mm² |
| Power supply system | 1 phase TT systems |