Breaking Capacity: | High Voltage Circuit Breakers |
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Operation: | Manual Type and Energy-Storage Type |
Speed: | Normal Type Circuit Breaker |
Arc-extinguishing Medium: | Vacuum |
Installation: | Fixed |
Structure: | Metering Box |
Customization: |
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No. | Item | Unit | Data | ||
1 | Rated frequency | Hz | 50 | ||
2 | Rated voltage | kV | 12 | ||
3 | Rated current | A | 630 / 1250 | ||
4 | Rated short-time power frequency withstand voltage |
Interphase, to earth(wet) | kV/min | 34/1 | |
Interphase, to earth(dry) | 42/1 | ||||
Fracture (dry) | 48/1 | ||||
Secondary circuit to earth | 2/1 | ||||
5 | Rated lightning impulse withstand voltage | Interphase, to earth | kV | 75 | |
Fracture | 85 | ||||
6 | Rated short-time withstand current and duration | kA/s | 20/4 25/4 | ||
7 | Rated Short-circuit breaking current(Effective value) | kA | 20 / 25 | ||
8 | Rated short-circuit Making Current (peak) | 50 / 63 | |||
9 | Rated Peak-withstand current | 50 / 63 | |||
10 | Rated Short-circuit breaking current breaking times | Times | 30 | ||
11 | Rated operating voltage and Rated Voltage for auxiliary(control) circuit | V | AC/DC220 DC48, DC24 |
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12 | Mechanical life | Times | 10000 | ||
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. |
Serial No. | Item | Unit | Technical Parameters | |
1 | Rated Frequency | Hz | 50 | |
2 | Power Factor | 0.8 (Lagging) | ||
3 | Rated Primary Voltage | Three-Phase, Three-Wire System | kV | 10 |
Three-Phase, Four-Wire System | 10/√3 | |||
4 | Rated Secondary Voltage | Three-Phase, Three-Wire System | 0.1/0.22 | |
Three-Phase, Four-Wire System | (0.1/√3) / 0.22 | |||
5 | Voltage Transformer Wiring Mode | Three-Phase, Three-Wire System | V-V | |
Three-Phase, Four-Wire System | Y-Y | |||
6 | Rated Primary Current | A | 5 ~ 600 | |
7 | Rated Secondary Current | 5 | ||
8 | Voltage Transformer Accuracy Level | 0.2/3 | ||
9 | Current Transformer Accuracy Level | 0.2S | ||
10 | Voltage Transformer Rated Output | VA | 15/200 | |
11 | Voltage Transformer Limited Output | 500 (Level 3) | ||
12 | Current Transformer Rated Output | 10 | ||
13 | Polarity | Minus Polarity | ||
14 | Rated Short-Time Power Frequency Withstand Voltage | kV/min | 42/1 | |
15 | Rated Lightning-Impulse Withstand Voltage | kV | 75 |
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