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Máy cắt GE Industrial Solutions   Vacuum Circuit Breaker
Type designation    VB2+G-15/T2500-31.5
Serial number       C1707321
Rated Voltage (Ur)  15kV
Rated normal current (Ir)  2500A
Rated Frequency    50/60Hz
Rated lightning impluse withstand voltage (Up) 95kV
Rated Short-circuit peck making curent           86.3kV
Rated Short-time withstand current                 31.5kA/3S
Rated System source Short-circuit breaking current  (Isc)       31.5kA
Rated System source degree of asymmetry at contact separation 75%
Rated out-of-phase breaking current 15.8KA
Rated breaking time        50ms
Relevant standar         IEC/IEEE 62271-37-013
Rated operating sequence   CO-30min-CO
Weight      285kg
Manufacture date 2017-12
Product SKU  SVGWE41222Z2000202
Shanghai GE breakers Co.,Ltd
Máy cắt ABB High Voltage Switchgear Co.Ltd., Beijing
Circuit – breaker type: LTB145D1 / B – 3P
Order No: 501814778
Rated voltage: 145kV
Lightning imp.with. Volt: 550 + 103 kV
Power frequency.with. Volt: 230 + 73 kV
Frequency: 50Hz
Normal current: 3150A
Operating device type: FSA1
Breaking current: 40kA
DC- component: 36%
First – pole – to – clear- factor: 1.5
Making current: 100kA
Short time current: (3S) 40kA
Line charging breaking current: 50A
Gas pressure SF6: abs (+20 º C)
Max working pressure: 0.8 Mpa
Working pressure:        0.7 Mpa
Alarm signal:              0.62 Mpa
Blocking:                     0.6 Mpa
Breaker class: C2 M2
Mass total: 1163 Kg
Mass of gas: 7 Kg
Standards: DL593    GB1984   IEC62271 – 100
Operating seq. :O – 0.3s – CO – 3min – CO
Temperature class:-30ºC – 45ºC
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