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: | Vacuum Circuit Breaker |
Customization: |
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No. | Item | Unit | Data | ||
1 | Rated frequency | Hz | 50 | ||
2 | Rated voltage | kV | 40.5 | ||
3 | Rated current | A | 1250 / 1600 / 2000 | ||
4 | Rated Short-Circuit Breaking Current | kA | 31.5 | ||
5 | Rated Short-Circuit Closing Current | 80 | |||
6 | Rated Short-Time Withstand Current | 31.5 | |||
7 | Rated Peak Withstand Current | 80 | |||
8 | Rated Out of Step Breaking Current | 10 | |||
9 | Rated Short-Circuit Continuous Time | s | 4 | ||
10 | Rated Short-Circuit Breaking Current Breaking Times | Times | 10 | ||
11 | Rated short-time power frequency withstand voltage |
Interphase, to earth(dry) | kV/min | 95/1 | |
Fracture (dry) | 118/1 | ||||
Interphase, to earth(wet) | 80/1 | ||||
Auxiliary circuit to earth | 2/1 | ||||
12 | Rated lightning impulse withstand voltage | Interphase, to earth | kV | 185 | |
Fracture | 215 | ||||
13 | Rated Operating Voltage and Auxiliary Circuit Rated Voltage | V | AC220, DC220 | ||
14 | Main Circuit Rsistance | Rated Current 1600A and below | μΩ | ≤ 90 | |
Rated Current more than 1600A | ≤ 40 | ||||
15 | Closing Time | Under AC Voltage | ms |
≤ 100 | |
Under DC Voltage | 55 ~ 100 | ||||
16 | Opening Time | Under AC Voltage | ≤ 60 | ||
Under DC Voltage | 30 ~ 65 | ||||
17 | Closing - Opening Time | ≤ 120 | |||
18 | Opening - Closing Time | ≤ 50 | |||
19 | Full Breaking Time | ≤ 78 | |||
20 | Rated Operating Order | O - 0.3s - CO -180s- CO | |||
21 | Moving Contact Travel | mm | 96±2.5 | ||
22 | Contact Opening Distance | mm | 60±1.5 | ||
23 | Closing buffer Stroke | mm | 10±2 | ||
24 | Phase-to-Phase opening Synchronism | ms | ≤ 3 | ||
25 | Phase-to-Phase closing Synchronism | ms | ≤ 3 | ||
26 | Phase spacing | mm | 725 | ||
27 | Annual Gas Leakage rate of SF6 | % | ≤ 0.5 | ||
28 |
SF6 Gas Moisture content (ppm, gauge pressure at 20 degrees Celcius) | Handover Acceptance Value | V/V | ≤ 150 | |
Distance Travel | ≤ 300 | ||||
29 | SF6 Gas Rated Pressure (gauge pressure at 20oC) | MPa | 0.45 | ||
30 | SF6 Gas Replenish Pressure (gauge pressure at 20 oC) | 0.42 | |||
31 | SF6 Gas Locked Pressure (gauge pressure at 20oC) | 0.4 | |||
32 | Mechanical Life | Times | 6000 | ||
33 | SF6 Gas Weight | Kg | 5 | ||
34 | Weight (with CT) | 800 | |||
Weight (without CT) | 1000 | ||||
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. |
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