Standards: IEC 60099-4
The ambient air themperatures is no higher than +40° C, no lower than-40° C.
The altitude above sea level dose not exceed 2000m.
AC system frequency is 50Hz or 60Hz.
AC voltage brought to bear on arrester for a long time dose not exceed arrester's continuous operating voltage.
Maximum wind speed dose not exceed 35m/s.
The earthquake intensity dose not exceed 7 degrees.
TBP-B Series (Vacuum circuit breaker Switch Type) |
System Rated voltage(kV) |
Virtual Value |
6 |
10 |
35 |
Lightning Arrester Rated voltage(kV) |
7.6 |
12.7 |
42 |
Power frquencydischarge |
16.0 |
26.0 |
80.0 |
DC(U1mA)Ref. Oltage(kV) |
Peak |
14.4 |
24 |
73 |
1.2/50μ sImpulse discharge voltage(kV) |
24.0 |
41.0 |
124.0 |
Residual voltage of 500Alingting impulse current(kV) |
19.0 |
32.0 |
99.0 |
2000μ s Square wave impulse current(A) |
400 |
400 |
400 |
Safe net distance(mm) |
|
95 |
120 |
285 |
Surface creapage distance(mm) |
|
140 |
235 |
1020 |
Min, phase to phase distance(mm) |
|
115 |
145 |
470 |