Load Break Switch FKRN12-24D series high pressure gas pressure from JUCRO Electric
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FZRN12-24D series high pressure gas pressure load switch and its combination electric appliance are AC 24KV, 50Hz indoor high voltage switchgear. The load switch has the characteristics of high technical parameters and reliable operation. The basic form of the operating mechanism is manual spring energy storage type. It can be equipped with electric spring operating mechanism, based on the principle of air pressure and arc extinguishing, so it can be divided multiple times without replacing the arc extinguishing tube.
The high-voltage load switch can close, load and break the load current under normal circuit and has the ability to close the short-circuit current and carry the short-circuit current for a specified time.
The FZRN12-24D series load switch can be equipped with a grounding switch. The grounding switch has the same short-circuit current closing capability as the load switch, as well as dynamic thermal stability, and has a strict mechanical interlock with the load switch, which is structurally impossible misuse.
Normal use environment:
1.Ambient air temperature: -25°C-+60°C
2.Altitude: no more than 1000mm.
3.Ambient temperature: up to +40 ° C, minimum -10 ° C
4.Relative humidity: daily average is not more than 95%, monthly average is not more than 90%
5.Earthquake intensity: less than 8 degrees
Main technical parameter
lightning shock resistance current
Earth and phase125 Isolation fracture145
1 minpower frequency withstand voltage
Earth and phase65 Isolation fracture79
Rated the thermal stability of current
Rated current dynamic stability
Rated closing current (peak)
Rated short-circuit breaking current
Rated transfer current
Maximum breaking current (peak)
Breaking the capacity of the no-load transformer
Rated cable charging current
Rated active load current start count
The impactor triggers the load switch opening time
Grounding switch thermal stability current
Grounding switch dynamic steady current (peak)
Electric operating power supply voltage (AC/DC)
Mechanical property parameter
Moving contact total stroke
Moving contact overtravel
Auxiliary contact opening distance
Three-phase closing synchronization
Three-phase trip closure
Just dividing speed
Grounding switch break distance
Main loop resistance
Maximum operating torque
Outline technical parameter
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