Fn3 Series Indoor Use High Voltage Disconnect Switch

Detail description:

FN3-12, FN3-12R, FN3-12R/S load switches are of indoor operated high voltage devices in the network system of 50Hz, 6KV or 12KV to break and make the circuit of rated loading and overload current, also able to break and make noload long distance power line. The switches with RN3 HRC fuse (FN3-12R, FN312R/S) can switch off the short circuit to protect the switch.
The switches are operated by the manual mechanism of Cs3 0r CSO.

Working conditions

Altitude not more than 1000m;
Ambient temperature scope: from 12ºC t0 40ºC ;
Relative humidity indoor less than 90% under 25ºC ;
Ther shall have no conductive dust;
No corrosive gases;
No severe vibration and impact;
No combustion and explosion on the site for switch operating. 

Main technical parameters:

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