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中國(guó)創(chuàng)造 星瑪智造
Circuit breaker cabinet mechanism
Product Description
First, the standard station design, in line with the requirements of "GB1984-2014 high voltage AC circuit breaker"
Second, select Baoguang vacuum tube to ensure that the electrical life is in line with the national network E3 requirements.
Third, the cast human arm is carefully cast to ensure long-term operation and stable mechanical characteristics.
Fourth, large insulation board protection, electric field optimization design, to ensure the power frequency withstand voltage lightning impulse voltage qualified
5. All conductive parts and metal parts are rounded to optimize the electric field design and further improve the reliability of the switch.
Sixth, the grounding switch form is optional.
Details

序號(hào)

斷路器電氣參數(shù)

1. 

開距

8~10 mm

2. 

超程

2~3mm

3. 

相間中心距

150mm±2

4. 

三相合閘不同期

2ms

5. 

三相分閘不同期

2ms

6. 

合閘彈跳

2ms

7. 

分閘彈跳

2ms

8. 

合閘速度

0.6ms±0.2

9. 

分閘速度

1.2ms±0.2

10. 

工頻耐壓

42/45kV

11. 

雷電沖擊電壓

75/85kV

12. 

機(jī)械壽命(斷路器)

10000次

13. 

電氣壽命

E3級(jí)

14. 

主回路電阻

≤150μΩ

15. 

開斷動(dòng)熱穩(wěn)定性及峰值耐受電流

20kA20kA/4S,50KA

16. 

溫升

1.1x630A