Surge protective devices SPD type 2 protect low-voltage consumer systems against surge voltages as they are tested as SPD type 2 according to IEC 61643-11. The
| Series | OVR |
|---|---|
| Electrical | |
| Max. overcurrent protection device, parallel connection (fuse) | 160 A |
| Max. overcurrent protection device, series connection (fuse) | 125 A |
| Maximum continuous AC voltage | 275 V |
| Maximum flexible conductor cross-section (fine-strand) | 16 mm² |
| Maximum solid conductor cross-section (single-wire/stranded) | 25 mm² |
| Maximum discharge current (8/20) | 20 kA |
| Max. continuous operating voltage Uc | 275 V |
| N-PE protection voltage level | 1.3 kV |
| Protection voltage level, type l-n | 1.35 kV |
| Voltage protection level | 1.4 kV |
| Short-circuit breaking capacity (Isccr) | 100 kA |
| Rated AC voltage | 400 V |
| Rated impulse current (8/20) | 20 kA |
| Leakage-current free | Yes |
| Number of conductive cores (without earth) | 4 |
| With remote signalling contact | No |
| Mechanical | |
| Frame size (overall dimension) | 4 modular spacing |
| Operating conditions | |
| IP protection rating | IP20 |
| Other | |
| Alarm in device | Optical |
| Other system configuration | No |
| Class 2 | Yes |
| DC system configuration | No |
| IT system configuration | No |
| TN system configuration | Yes |
| TN-C system configuration | No |
| TT system configuration | Yes |
| Number of conductors | 4 |
| Type designation | OVR T2 3N 40-275s P QS |
| SPD type | T2 |
| Built-in input fuse | No |
| Integrated short-circuit protection | No |
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