| Model | TNR-X/B+C |
| Maximum sustained operating voltage Uc(V~) | 320、385、440 |
| Maximum impact current limp(kA) | 15 |
| Nominal discharge current In(kA) | 30 |
| Maximum discharge current limp(ka) | 60 |
| Protection level | <1.5 |
| Protection mode | L/N-PE L-N |
| response time (nS) | <25 |
| Working temperature range(℃) | -40~+70 |
| Intercepting area of access wire(mm2) | 16~35(Multi strand copper cored line) |
| Power supply system | TN TT IT |

