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Help CenterCircuit Breaker Auxiliary Switch Switchgear Sterling Silver Contacts
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Rated voltage: DC220VAC220V
Rated current: 10A
Approximate heating current: 15A
Breaking capacity:DC220V/4A,T0.95:6P=300ms,AC220V/10A,Cosφ=0.4
Applicable temperature range:-40℃~+70℃
Duty withstand voltage: 2500V(50Hz)/1min
Mechanical life: 20000 times
Product Overview
Auxiliary switches of the FH series are one of the components of high-voltage equipment and combine the characteristics of auxiliary switches and changeover switches. Compared to conventional auxiliary switches, the FH series auxiliary switches are more flexible in terms of contact angle control and can be used in different combinations to realize more diversified control requirements of customers. Compared to manually operated change-over switches, FH series auxiliary switches are more conveniently connected to the actual operating mechanism for mechanical transmission control. FH series auxiliary switches are suitable for controlling the closing, breaking, interlocking and signaling circuits of all kinds of high-voltage switch operators, and can also be used as changeover or combination switches.
environmental conditions
1. Ambient air temperature: -40℃~+70℃;
2. Altitude: not exceeding 5000 meters;
3. Humidity: average relative humidity not exceeding 95% in 24h; average water vapor pressure not exceeding 2.2kPa; average monthly relative humidity not exceeding 90%; average water vapor pressure not exceeding 1.8kPa;
4. The vibration acceleration is not greater than 15m/s²;
5. The surrounding air is not obviously polluted by dust, smoke, corrosive and combustible gases.
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