A5 Technical Description; A5.1 Technical Data: Circuit Breaker - GE GL 311 F3/4031 P/VE Operating Instructions Manual

A5 Technical Description
A5.1 Technical Data: Circuit Breaker
Type
Rated voltage
Rated normal current
Rated frequency
Rated power-frequency withstand voltage
50 Hz, 1 min
- To ground
- Across open switching device
Rated lightning impulse withstand voltage
- To ground
- Across open switching device
Rated switching impulse withstand voltage
(Vn > 245 kV)
- To ground
- Across open switching device
Rated short-circuit breaking current
- R.m.s. value of the a.c. component of current
- Percentage of d.c. component
Minimum opening time
First-pole-to-clear factor
Transient recovery voltage
- Peak value
- Rate of rise
Short-line fault
- Surge impedance
- Peak factor
Rated short-circuit making current
Rated out-of-phase breaking current
Rated duration of short circuit
Rated operating sequence
Rated line-charging breaking current
Rated cable-charging breaking current
SF weight per breaker -30°C / -40°C
6
(Porcelain Insulator)
SF weight per breaker -30°C / -40°C
6
(Composite Insulator)
*60 Hz only for -30°C
REV7
/REV1
kV
A
Hz
kV
kV
kV
kV
kV
kV
kA
%
ms
kV
kV/µs

kA
kA
s
A
A
kg
kg
OI 250 (EN)
T D
ECHNICAL ESCRIPTION
GL 311
F3/4031 P/VE F3/4031 P/VE
123
3150
50 / 60*
230
230
550
550
Not applicable
Not applicable
40
45
26
1.3 / 1.5
211
2.0
450
1.6
104
10
3
O-0.3s-CO-3min-CO
or CO-15s-CO
31.5
140
8.3 / 7.8
13.0 / 9.6
131 / 146
GL 312
145
3150
50 / 60*
275
275
650
650
40
45
26
1.3 / 1.5
249
2.0
450
1.6
104
10
3
50
160
8.3 / 7.8
13.0 / 9.6