Основные характеристики
- Electrical ratings of main circuit to IEC 60077-2
Nominal voltage Un 3,000 V
Rated operating voltage Ur 3,600
Rated insulation voltage UNm 4,800
Rated impulse withstand voltage UNi 25 kV
Pollution degree / Overvoltage category PD3 / OV2
Switching overvoltages @ Ue = 1,800 V < 14.4 kV
Conventional thermal current Ith 400 A *
Component category A2
Short-circuit making capacity, new/used contacts 3.5 kA / 5 kA
Rated operating current Ie (@ operational frequency C2)
DC, Ue = 1,800 V (T2 = 15 ms) - —
200 A