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.
Overall And Mounting Dimensions(mm)
Types of meaning
Technical Parameters
| Type & Specs | NDU8-10 | NDU8-20 | NDU8-40 | NDU8-60 | NDU8-80 | NDU8-100 |
| Poles | 1P,2P,3P,4P |
| Rated Operating Voltage Un(V) | 230V/275V(1P,2P) , 385V/420V(3P,4P) |
| Max continuous operating voltage Uc/V | 275V | 320V | 385V | 385V | 385V | 420V |
| Voltage protection level up(KV) | ≤1.0 | ≤1.20 | ≤1.80 | ≤2.0 | ≤2.2 | ≤2.8 |
| Nominal discharge current In(8/20μs)KA | 5 | 10 | 20 | 30 | 40 | 60 |
| Maximum discharge current Imax(8/20μs)KA | 10 | 20 | 40 | 60 | 80 | 100 |
| L/N(mm²)The cross section of L/N Line | 4 | 4 | 8 | 10 | 10 | 10 |
| PE(mm²)The cross section of PE Line | 6 | 6 | 10 | 10 | 16 | 16 |
| Fuse or Switch(A) | 10,16A,25A | 25A,32A | 32A,63A | 63A | 63A,100A | 63A,100A |
| Response times | ≤25ns |
| Test Stardard | IEC61643-1/GB18802.1 |
| Operating Environment | -40 ℃ to + 85℃ |
| Max Connection Line | 35mm2 hard wire/35mm2 strand wire copper line |
| Recommended Connection Line | 16mm2 hard wire/25mm2 strand wire copper line |
| Installation | Standard Rail 35mm |
| Material of outer covering | Burning -proof Nylon |
Yueqing Lovadon Electric Co., Ltd.
