Name:Disconnect switch
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
Tel: +86 13706784523(Whatsapp)/
Email: amy@putai-electric.com /
Name:Disconnect switch
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
LW38-40.5(G)-CJ Elevated Porcelain Pillar Outdoor AC High Voltage Sulphur Hexafluoride Circuit Breaker (hereinafter referred to as circuit breaker) is a kind of outdoor installation, three-phase, AC, high voltage control and protection equipment for 40.5kv level high voltage transmission and substation system, which takes SF6 gas as the arc extinguishing and insulating medium.
40.5kv level high-voltage power transmission system control and protection equipment. It can be used for dividing and closing rated current and fault current, casting and cutting capacitor bank, switching line, especially suitable for frequent operation, and can also be used as contact circuit breaker.
| NO. | Item | Unit | Parameter | |||
| 1 | Rated Voltage | KV | 40.5 | |||
| 2 | Rated insulation level | Lightning impulse withstand voltage (peak) | 185/215* | |||
| Industrial frequency withstand voltage 1min(RMS) | 95/119* | |||||
| 3 | Rated current | A | 1600 | 3150 | ||
| 4 | Rated capacitor bank breaking current | 400 | ||||
| 5 | Rated frequency | Hz | 50 | |||
| 6 | Rated short circuit breaking current | KA | 25 | 31.5 | ||
| 7 | Rated peak withstand current | 63 | 80 | |||
| 8 | Rated short-time withstand current | 25 | 31.5 | |||
| 9 | Rated Out-of-step Breaking Current | 6.3 | 7.9 | |||
| 10 | Rated short-circuit closing current | 63 | 80 | |||
| 11 | Rated short-circuit breaking current breaking times | 次 | 25 | 20 | ||
| 12 | Mechanical life | 5000 | ||||
| 13 | Rated operating sequence | 0-0.3s-CO-180s-CO | ||||
| 14 | Opening time (at rated operating voltage) | s | ≤0.06 | |||
| 15 | Closing time (at rated operating voltage) | ≤0.1 | ||||
| 16 | Rated short-circuit duration | 4 | ||||
| 17 | Metal shorting time | ≥0.12 | ||||
| 18 | Full opening time | ≤0.078 | ||||
| 19 | Rated pressure of sulfur hexafluoride gas (gauge pressure at 20℃) | Mpa | 0.45 | |||
| 20 | Sulphur hexafluoride gas make-up pressure (gauge pressure at 20℃) | 0.42 | ||||
| 21 | Sulphur hexafluoride gas blocking pressure (gauge pressure at 20℃) | 0.4 | ||||
| 22 | Leakage rate | %/年 | ≤1 | |||
| 23 | Water content of sulfur hexafluoride gas(gauge pressure at 20℃) | ppm(V/V | Acceptance value ≤150 | |||
| 24 | Operation value≤300 | |||||
| 25 | Weight | Circuit breaker body | With CT | kg | 1000 | |
| Without CT | 800 | |||||
| Sulfur hexafluoride gas | 5 | |||||
| When the product is a plateau type product, it refers to the rated insulation level value at an altitude of 3000m. | ||||||
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