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.
Technical Parameters
| Type & Specs | NDU7-10 | NDU7-20 | NDU7-40
|
| Poles | 2P,3P,4P |
| Rated Operating Voltage Un(V) | 385V |
| Max continuous operating voltage Uc/V | 385V | 385V | 385V |
| Voltage protection level up(KV) | ≤1.2 | ≤1.5 | ≤1.8 |
| Nominal discharge current In(8/20μs)KA | 5 | 10 | 20 |
| Maximum discharge current Imax(8/20μs)KA | 10 | 20 | 40 |
| L/N(mm²)The cross section of L/N Line | 4 | 4 | 8 |
| PE(mm²)The cross section of PE Line | 6 | 6 | 10 |
| Fuse or Switch(A) | 10,16A,25A | 25A,32A | 32A,63A |
| Response times | ≤25ns |
| Test Stardard | IEC61643-11/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.
