EnerPro 284Tr-M/Pk
Article Nr. : 382043
Four-pole, compact surge arrester e.g. for 3-phase TT systems.
- Surge Protective Device type 2, class II
- Function control indication via LED
- No blow-out vents, thus, not requiring any safety clearance to other installations
- EAC certification
| IEC category | Type 2 /class II |
| Nominal voltage DCUN | 500 (N-PE) V= |
| Nominal voltage ACUN | 230/400 V~ |
| Max. continuous operating voltage AC (50/60 Hz) Uc | 275 V~ |
| Insulation resistanceRisol | ≥ 10 GΩ |
| Impulse sparkover voltage (1.2/50 μs)Uas | ≤ 1,4 (N/PE ≤1,5) kV |
| Response time 10 kV/µstA | <5 ns |
| Protection level at 5 kA (8/20 µs)Up | ≤ 0,8 kV |
| Nominal discharge current (8/20 µs)In | 10x 15 kA |
| Max. impulse discharge current (8/20 µs)Imax | 1x 40 kA |
Additional Information
| Lightning impulse current (10/350 µs) N-PEIimp | 12 kA |
| Max. acceptable fuse or back-up fuse | 125 A gG |
| Short-circuit current extinguishing capacity line-earth | 100 A |
| Operating temperature rangeTU | -40 - +80 °C |
| Max. conductor cross section | 50 mm² stranded/35 mm² flexible |
| Recommended conductor cross section | 25 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) |
| Switching capacity FM | 250 V/2 A |
| Max. conductor cross section Pk | 1.5 mm² |
| Power supply system | 3 phase TNS and TT systems |