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The LW36-126 type high-voltage SF6 circuit breaker is a three-pole AC 50Hz outdoor high-voltage switchgear. It is mainly used for control and protection in 110kV power systems and can also be used as a tie circuit breaker.
Main Technical Parameters of LW36-126 High-Voltage SF6 Circuit Breaker
| Project | Parameter | ||||
| Altitude | 1000m | 2000m | |||
| Ambient Temperature | -30ºC-40ºC | -40ºC-40ºC | -30ºC-40ºC | -40ºC-40ºC | |
| Rated Voltage | 126kV | ||||
| Rated Current | 3150A | ||||
| Rated Short-Circuit Breaking Current (Isc) | 40kA | 31.5kA | 40kA | 31.5kA | |
| Rated Short-Circuit Making Current (Peak Value) | 100kA | 80kA | 100kA | 80kA | |
| Rated Short-Time Withstand Current (RMS) 3s | 40kA | 31.5kA | 40kA | 31.5kA | |
| Near-Zone Fault Breaking Current | IscX90%,IscX75%(kA) | ||||
| Rated Out-of-Step Breaking Current | IscX25%(kA) | ||||
| 1-Minute Power Frequency Withstand Voltage (RMS) | Across Interruption Points | 230+73 kV | 230kV | 230kV | 230kV |
| To Ground | 230kV | 230kV | 230kV | 230kV | |
| Lightning Impulse Withstand Voltage (Peak Value) | Across Interruption Points | 550+103 kV | 550kV | 550kV | 550kV |
| To Ground | 550kV | 550kV | 550kV | 550kV | |
| Mechanical Life | 6000times | ||||
| Radio Interference Level | ≤500μV | ||||
| Electrical Life | 16times | ||||
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
