FC series auxiliary switch is one of the supporting components of high-voltage equipment, adopting cam structure and magnetic body magnetic blowing arc extinguishing method, with the characteristics of diverse and flexible forms of cam switch contacts, and at the same time, it has the function of expanding the number of contacts that ordinary cam switch does not have. This series of auxiliary switch can continuously increase the number of contacts by adding accessories until it reaches the needs of customers.
The contact part of FC series auxiliary switch adopts the advanced permanent magnet magnetic blowing arc extinguishing method, which inhibits the generation of arc when opening and breaking the circuit, greatly enhances the breaking capacity of the contact, and solves the problem of difficult DC breaking of auxiliary switch that exists in the industry. The magnetic field is generated by a permanent magnet with high magnetic field strength, which ensures the stability and durability of the magnetic field. It is suitable for controlling the closing, breaking, interlocking and signal circuits of various high-voltage switch operating mechanisms, and can also be used as changeover or combination switches.
Environmental conditions
1、 Ambient air temperature: -40℃~+70℃;
2. Altitude: not more than 5000 meters;
3. Humidity: the average relative humidity does not exceed 95% in 24h; the average water vapor pressure does not exceed 2.2kPa; the monthly average relative humidity does not exceed 90%; the average water vapor pressure does not exceed 1.8kPa;
4. Vibration acceleration not greater than 15m/s²;
5、The surrounding air is not obviously polluted by dust, smoke, corrosive and combustible gases.