A5 Technical Description; Technical Data: Circuit Breaker Type Gl 310-Gl 312 - GE GL 310 F3/4031 P/VR Operating Instructions Manual

A5 Technical Description
A5.1

Technical Data: Circuit Breaker Type GL 310-GL 312

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
REV6
/REV3
GL 310
F3/4031 P/VR
kV
A
Hz 50 / 60*
kV
kV
kV
kV
kV
kV
kA
%
ms
1.3 / 1.5
kV
kV/µs

kA
kA
s
A
A
kg 8.3 / 7.8
kg 13.0 / 9.6
OI 248 (EN)
T D
ECHNICAL ESCRIPTION
GL 311
F3/4031 P/VR
100 123
3150 3150
50 / 60*
185 230
185 230
450 550
450 550
not applicable
not applicable
40 40
45 45
26 26
1.3 / 1.5
171 211
2.0 2.0
450 450
1.6 1.6
104 104
10 10
3 3
O-0.3s-CO-3min-CO
or CO-15s-CO
20 31.5
125 140
8.3 / 7.8
13.0 / 9.6
GL 312
F3/4031 P/VR
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
123