China Universal Circuit Breaker Odm Manufacturer Unit
Technical Data
Rated Voltage
KV
72.5
Rated frequency
Hz
50
Rated Current
A
3150
Rated SHORT CIRCUIT BREAKING CURRENT
Short Circuit Current
ka
31.5
DC Component
40%
Duration of Rated Short Time withstand Current
S
4
Rated Short Time withstand Current
ka
40
Rated SHORT CIRCUIT MAKING CURRENT (PEAK)
ka
100
Rated Peak withstand Current
ka
100
Rated 1 Min Power Frequence Withstand Voltage (Effective Value)
To Earth
KV
140
Breaking isolation
160
Rated Lighting Impulse withstand Voltage (Peak Value)
To Earth
200
Breaking isolation
220
5 min Zero Air Pressure withstand Voltage (Effective Value)
To EARTH, BREAKING Isolation
75
Rated out of pHASE BREAKING CURRENT
ka
IE × 25%
Breaking Currente Fault at Close Zone
IE × 90%, IE × 75%
Rated Line Charged Breaking Current
A
50
Rated open sequence
O-0.3S-CO-180S-Co
Constant of first Opened Pole
1.5
Closing time
MS
& le; 145
Opening time
& le; 60
Breaking time
& le; 60
Closing-opment time
60
Symmetrical time of opening
3
Symmetrical Time of Closing
5
Rated Pressure of SF6 GAS (20 ° C)
MPA
0.5
SF6 Annual Leakage Rate
& le; 0.5%
Water Content
ppm (v/v)
& le; 150
POTENTIAL of Wireless Radio Interference
& mu; v
& le; 2500
Mechanicalchina Universal Circuit Breaker Odm ManuFactuer China Universal Circuit
times
6000
Mass of Each Other
kg
1200
Mass of sf6 for Each Breaker
6
Resistance of Main Circuit in Each Pole
& mu; & omega;
& le; 80