Product

FLN□(SMR6)-12/630-25 Charging cabinet load switch

Product Overview The FLN□(SMR6)-12/630-25 gas-insulated switchgear load switch complies with the relevant requirements specified in GB/T 3804 High-voltage Alternating Current Load Switches for Rated Voltages from 3.6 kV to 40.5 kV and GB/T 16926 Alternating-current High-voltage Load Switch-fuse Combinations. Main Circuit: 630 A - 20 kA (4 s), 25 kA (3 s); Mechanical Endurance: 5,000 operationsEarthing Circuit: 20 kA (2 s); Mechanical Endurance: 2,000 operations Share:

Notes on Ambient Operating Conditions
Altitude shall not exceed 2000 m; seismic intensity shall not exceed Grade 8.
The ambient temperature for product operation shall range from -40℃ to +50℃; the daily average relative humidity shall not be greater than 90%, and the monthly average relative humidity shall not be greater than 90%.
The product is not suitable for installation sites subject to frequent severe vibrations, nor for sites with water vapor, gaseous chemical corrosive deposits, salt mist, dust and dirt that obviously affect the performance of the mechanism, as well as sites with fire or explosion hazards.
Main Technical Parameters

Item	Unit	Parameters
Rated Frequency	Hz	50
Rated Current	A	630
Rated Short-time Withstand Current	kA	20/25
Rated Peak Withstand Current	kA	50
Rated Short-circuit Duration	S	4
Rated Short-circuit Making Current	kA	50
Theoretical Operation	0-0.3s-CO-180s-CO