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  • NDU1-40 Surge protector
  • NDU1-40 Surge protector
Surge protective device

NDU1-40 Surge protector

This series of products is suitable for AC 50/60 Hz, 380V and below the TN-S, TN-CS, TT, IT and other power supply system is based on IEC standard design standard 35mm rail installation, the product temperature control circuit technology, built-in (F) This series of products are suitable for low-voltage BCD lightning protection of buildings, usually installed in the low-voltage lightning protection devices, Floor distribution box, count···

General

This series of products is suitable for AC 50/60 Hz, 380V and below the TN-S, TN-CS, TT, IT and other power supply system is based on IEC standard design standard 35mm rail installation, the product temperature control circuit technology, built-in (F) This series of products are suitable for low-voltage BCD lightning protection of buildings, usually installed in the low-voltage lightning protection devices, Floor distribution box, counter center, telecommunication room, elevator control room, variable control room and distribution box with electronic medical equipment.


Types of meaning

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Dimensions

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Technical Parameters

Type & SpecsNDU1-10NDU1-20NDU1-40NDU1-60NDU1-80NDU1-100
Poles1P,2P,3P,4P
Rated Operating Voltage Un(V)220V/380V
Max continuous operating voltage Uc/V275V320V385V385V385V420V
Voltage protection level up(KV)≤1.0≤1.20≤1.80≤2.0≤2.2≤2.8
Nominal discharge current In(8/20μs)KA51020304060
Maximum discharge current Imax(8/20μs)KA1020406080100
L/N(mm²)The cross section of L/N Line448101010
PE(mm²)The cross section of  PE Line6610101616
Fuse or Switch(A)10,16A,25A25A,32A32A,63A63A63A,100A63A,100A
Response times≤25ns
Test StardardIEC61643-1/GB18802.1
Operating Environment-40 ℃ to + 85℃
Max Connection Line35mm2 hard wire/35mm2 strand wire copper line
Recommended Connection Line16mm2 hard wire/25mm2 strand wire copper line
InstallationStandard Rail 35mm
Material of outer coveringBurning -proof Nylon


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