| Item condition | New |
| Manufacture name | SG ZP 3N 7.5-255 Surge Protective Device 4P - 1NO Auxiliary Contact(s) |
| Brand | ABB |
| Categories |
Surge Protection Devices (SPD)
|
| Harmonized System Code | 8536 9095 00 |
| Lightning impulse current (10/350 µs) | 7.5 kA |
| Voltage protection level | 1.5 kV |
| Max. continuous voltage AC | 255 V |
| Nominal voltage AC | 230 V |
| Test class | Type 1 + 2 |
| Voltage protection level L-N | 1.5 kV |
| Degree of protection (IP) | IP20 |
| Voltage protection level N-PE | 1.5 kV |
| Voltage protection level L-PE | 1.5 kV |
| Packing level 1 | 4053546051421, 4053546051421 |
| Mounting method | On basic element |
| Number of poles | 4 |
| Construction size | 3 modular spacing |
| Remote signalling | No |
| Follow current extinguishing capability | 25 kA |
| Signalling at the device | Optic |
| Integrated backup fuse | No |
| Energy-coordinated protection effect with regard to the terminal equipment | Yes |
| System configuration DC | No |
| System configuration IT | No |
| System configuration TN | No |
| System configuration TN-C | No |
| System configuration TN-S | Yes |
| System configuration TT | Yes |
| System configuration other | No |
| System configuration TN-C-S | No |
| Max. overcurrent protection device, parallel connection (fuse) | 160 A |
| Max. overcurrent protection device, series connection (fuse) | 160 A |
| Voltage switching spark gap technology | No |
| Overcurrent protected voltage tapping | No |