Type:OFPTB-140-50LA
Main technical data:
NOTE: Acrroding to ANSI C37.04 , GIS of rated voltage above 300 kV must consider switching withstand voltage.
|
1
|
Rated voltage
|
kVrms
|
161
|
|
2
|
Rated maximum voltage
|
kVrms
|
169
|
|
3
|
Rated maximum voltage
|
Hz
|
60
|
|
4
|
Rated current
|
Arms
|
2000
|
|
5
|
Rated short-circuit breaking current
|
kArms
|
50
|
|
6
|
Rated short time withstand current (3s)
|
kArms
|
50
|
|
7
|
Rated power-frequency withstand Voltage
|
kVrms
|
365
|
|
8
|
Rated lightning impulse withstand voltage
|
kVpeak
|
750
|
|
9
|
Rated switching impulse withstand voltage
|
kVpeak
|
NOTE
|
|
10
|
Rated breaking time
|
cycle
|
3
|
|
11
|
Rated delay trip time
|
second
|
1
|
|
12
|
Standard duty cycle for breaker
|
-
|
CO-15sec-CO
|
|
13
|
Operation duty cycle for breaker
|
-
|
|
|
14
|
Rated SF6 pressure (20 ℃)
|
kgf/cm![]() .G
|
6.0
|
|
15
|
SF6 leakage rate
|
% / year
|
0.5
|
|
16
|
Control voltage
|
DC(V)
|
125
|
|
17
|
Operation mechanism for breaker
|
-
|
Pneumatic
|