LW36A-(72.5/126/145)/T3150-40 Outdoor AC SF6 Circuit Breaker
This outdoor AC SF6 circuit breaker is a control and protection device to the 50/60Hz AC power system. It uses SF6 gas to quench the arc. In the circuit, it can be used as the connector circuit breaker. In 2001, this product was awarded the new product commendatory certificate by the national economic and trade committee.
Technical Parameters
| Altitude | 1000 (2500) m |
| Ambient temperature | -40 to +40℃ |
| Rated voltage | 72.5 / 126 / 145kV |
| Rated current | 3150A |
| Rated frequency | 50/60 Hz |
| Rated short circuit breaking current | 40 kA |
| Rated short circuit closing current | 100 kA |
| Rated short time withstand current | 40A |
| Rated withstand current (peak) | 100 kA |
| Rated short circuit current continuous time | 4s |
| Rated step-lost breaking current | 10A |
| Nearby area fault breaking current | 90% 75% |
| Rated line charging closing current | 31.5 A |
| Rated operating sequence | O-0.3s-CO-180s-CO |
| SF6 air pressure (20℃meter pressure) | 0.6MPa |
| Control loop voltage | DC110 or 220 V |
| Mechanical lifetime | 6000 Times |
| Quantity of SF6 gas leakage yearly | ≤0.5% |
Huayi Electric Co., Ltd. is a major manufacturer of outdoor SF6 circuit breaker in China. With more than 20 years of production experience in this industry, we can produce and supply high quality outdoor disconnect switches, circuit breakers, load break switches and other products. Our products have been KEMA, GOST, CCC, TUV, WTGS and CB certified. They are widely used in wind power generation, rural power grids, military activities, outdoor tour, investigation and research, production field, public places, residential building and other fields. We welcome global customers to contact us!
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