
ABB electrical accessory OVR 2CTB815710R0700
- BrandABB
- SeriesOVR
- N-PE protection voltage level1.4 kV
- Voltage protection level L-PE1.5 kV
- Protection voltage level, type l-n1.4 kV
- Lightning impulse current (10/350)12.5 kA
- Other system configurationNo

Surge protective devices SPD type 1- type 2 protect low-voltage consumer systems against lightning currents and surge voltages as they are tested as SPD type 1
| Series | OVR |
|---|---|
| Electrical | |
| N-PE protection voltage level | 1.4 kV |
| Voltage protection level L-PE | 1.5 kV |
| Protection voltage level, type l-n | 1.4 kV |
| Lightning impulse current (10/350) | 12.5 kA |
| Number of poles | 4 |
| Overcurrent protected voltage tapping | No |
| Voltage switching spark gap technology | No |
| Mechanical | |
| Frame size (overall dimension) | 4 modular spacing |
| Operating conditions | |
| IP protection rating | IP20 |
| Other | |
| Other system configuration | No |
| DC system configuration | No |
| IT system configuration | No |
| TN system configuration | No |
| TN-S system configuration | Yes |
| TT system configuration | Yes |
| Type designation | OVR T1-T2 3N 12.5-275s P TS QS |
| Energy-coordinated protection effect with regard to the terminal equipment | No |
| Remote signalling | Yes |
| Built-in input fuse | No |
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