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Help CenterHigh Voltage Auxiliary Switch FK Model Pertain For Electric Mechanism Hydraulic Mechanism Disc Spring Mechanism Quick-grounding Mechanism
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Rated voltage: DC220VAC220V
Rated current: 20A
Approximate heat generation current: 25A
Opening capacity: DC220V/4A,T0.95:6P=300ms;AC220V/10A,Cosφ=0.4
Applicable temperature range: -55℃~+80℃
Work withstand voltage: 2500V(50Hz)/1min
Mechanical life: 20,000 times
Product Overview
FK series auxiliary switch is one of the supporting components of high-voltage equipment, and it is a new type of auxiliary switch developed for the current demand of auxiliary switch in the electric power industry. Compared with the commonly used F6 and F9 auxiliary switches, its angle control is more flexible and can realize various special splitting and closing switching; compared with F10 auxiliary switch, the contact capacity is more than doubled, which can better meet the high-voltage switch industry's Compared with F10, the capacity of the auxiliary switch contacts is more than doubled, which can better meet the high current demand of the high-voltage switch industry. It is more widely used to control 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: -55℃~+80℃;
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 average monthly 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 significantly polluted by dust, smoke, corrosive and combustible gases.
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