
ABB electrical accessory OVR 7.5ka 2CTB815799R1600
- BrandABB
- SeriesOVR
- N-PE protection voltage level1.5 kV
- Voltage protection level L-PE1.5 kV
- Protection voltage level, type l-n1.5 kV
- Other system configurationNo
- DC system configurationNo

OVR ZP+ 3N 7.5-255 for meter board busbar, 7.5ka Imp, TT and TNS
| Series | OVR |
|---|---|
| Electrical | |
| N-PE protection voltage level | 1.5 kV |
| Voltage protection level L-PE | 1.5 kV |
| Protection voltage level, type l-n | 1.5 kV |
| Number of poles | 4 |
| Overcurrent protected voltage tapping | No |
| Voltage switching spark gap technology | No |
| Operating conditions | |
| IP protection rating | IP20 |
| Other | |
| Other system configuration | No |
| DC system configuration | No |
| IT system configuration | No |
| TN system configuration | Yes |
| TN-C system configuration | No |
| TT system configuration | Yes |
| Type designation | OVR ZP+ 3N 7.5-255 |
| Energy-coordinated protection effect with regard to the terminal equipment | No |
| Remote signalling | No |
| Built-in input fuse | No |
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