Product overview
The product has excellent breaking performance. It adopts a compressed gas type silencing chamber and has a long electrical life. It can continuously break 40kA short-circuit current for 21 times at rated voltage without maintenance. It does not need to replace sulfur hexafluoride gas. It has high mechanical reliability and a mechanical life of 3000. It can be operated more than once, and can be operated frequently. Each unit can be equipped with 12 current transformers for users to choose. This product adopts the new MKZ type SF6 pointer type distance gauge and pressure gauge.
Readings are not affected by temperature changes and are easy to use.
LW34-40.5 type sulfur hexafluoride circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment. It is suitable for the control and protection of 40.5KV power transmission and distribution systems. It can also be used as a contact circuit breaker and switching capacitor bank.
This product is equipped with CT14 spring mechanism
Use environmental conditions
1. Altitude: no more than 2500m, plateau type 4000m;
2. Ambient temperature: -30℃~+40℃ (special requirements -40℃-+40℃);
3. Relative humidity: daily average not greater than 95%, monthly average not greater than 90% (25℃;
4. Wind speed: no more than 35m/s;
5. Pollution level: Level III; the creepage distance of the porcelain sleeve is 1050mm (1320mm) (the nominal specific creepage distance is not less than 25mm/kV);
6. Installation location: There is no risk of fire, explosion, serious pollution, chemical corrosion and severe vibration.
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