General
NDU6 series photovoltaic (pv) special DC surge protection device used in lightning protection of solar photovotaic power generation system or other DC power supply system and make the system against lightning over-voltage. Built-in temperature control circuit technology, high security; indicator window green means normal, red to represent the fault, must be replaced and legible; optional remote communication interface, the realization of remote monitoring; high flow, high safety and stability.
Technical Parameters
| Type & Specs | NDU6-40/500V | NDU6-40/600V | NDU6-40/800V | NDU6-40/1000V | NDU6-40/1200V | NDU6-40/1500V |
| Rated operating Voltage (Un) | 500V | 600V | 800V | 1000V | 1200V | 1500V |
| Maximum continuous operating voltage(Un) | 560V | 670V | 1000V | 1200V | 1500V | 1800V |
| Voltage protection level up(KV) | ≤2.6kv | ≤2.6kv | ≤2.6kv | ≤2.6kv | ≤3.2kv | ≤3.8kv |
| Poles | 2P、3P、4P |
| classified test | II |
| Nominal discharge current In(8/20μs)KA | 20KA |
| Maximum discharge current Imax(8/20μs)KA | 40KA |
| Hard Cabine mm² | 4mm²-25mm² |
| Flexible cable mm² | 4mm²-16mm² |
| Response times | ≤25ns |
| Test Stardard | IEC61643-1/GB18802.1 |
| Operating Environment | -40℃to + 80℃ |
| Installation | Standard Rail 35mm |
| Degree of protection | IP 20 |
| Material of outer covering | Burning -proof Nylon |
Yueqing Lovadon Electric Co., Ltd.
