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  • NDU6-40 DC surge protective device
  • NDU6-40 DC surge protective device
Surge protective device

NDU6-40 DC surge protective device

1.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

2.Specifications

Type & SpecsNDU6-40/500VNDU6-40/600VNDU6-40/800VNDU6-40/1000VNDU6-40/1200VNDU6-40/1500V
Rated operating Voltage (Un)500V600V800V1000V1200V1500V
Maximum continuous operating voltage(Un)560V670V1000V1200V1500V1800V
Voltage protection level up(KV)≤2.6kv≤3kv≤3.2kv≤3.8kv≤4.0kv≤5.0kv
Poles2P、3P、4P
classified test II
Nominal discharge current In(8/20μs)KA20KA
Maximum discharge current Imax(8/20μs)KA40KA
Hard Cabine mm²4mm²-25mm²
Flexible cable mm²4mm²-16mm²
Response times≤25ns
Test StardardIEC61643-1/GB18802.1
Operating Environment-40℃to + 80℃
InstallationStandard Rail 35mm
Degree of protection IP 20
Material of outer coveringBurning -proof Nylon




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