Product Description
Circuit Breakers & Switch /Outdoor Circuit Breakers
LW8A-40.5 Voltage AC SF6 Circuit Breaker
Name |
Data |
Rated voltage |
40.5 |
Rated current(A) |
1600/2000 |
Rated Insulate level |
Power frequency withstand voltage(kV)1min |
95 |
Thunder impulse withstand vltage (kV) |
185 |
Rated short-circuit breaking current(kA) |
25/31.5 |
Rated outof-phase breaking current (kA) |
7.9/10 |
breaking current of earth fault in different phase(kA) |
27.4/34.8 |
Rated breaking current of single capacitor bank(A) |
400 |
Rated Operating sequence |
O-0.3S-CO-180S-CO |
Rated SF6 gas pressure(Mpa) |
0.5 |
Switch-off time(on rated voltage)(ms) |
30≤t≤40 |
Switch-on time(on rated voltage)(ms) |
60≤t≤80 |
Rated short-circuit making current(peak) (kA) |
63/80 |
Rated short-circuit duration (s) |
4 |
Rated short-circuit with stand current (kA) |
25/31.5 |
Rated peak value withstand current(kA) |
63/80 |
Mechanical life (time) |
10000 |
Cumulative breaking times of rated short-circuit
breaking current 31.5 kA/40kA(time) |
20 |
Cumulative breaking times of rated current(time) |
2000 |
Annual leakAge rate of SF6(%) |
≤0.5 |
Water content of SF6(V\V)(PPm) |
≤150 |
Outer insulating leakAge ratio distance(mm/kV) |
≥25,≥31 |
Weight of the circuit breaker(KG) |
1000 |