Fn5-12r (T) D Indoor AC Hv Load Switch-Fuse Combination Unit

Model NO.: FN5-12R(T)D Structure: Fuse Pole: 3 Certification: SGS, ISO9001, CE Trademark: YF Function: Industry Usage: Control Switch Number of Switch: Multi Control Switch Installation: Indoor High Voltage Origin: Jiangyin Yunfeng, China Product Overview
YFN5(FN5)-12 series indoor AC HV load gas-production load switch and fuse combination unit is mainly applied in AC 12kV network for breaking the rated load current and making the short-circuit current. The performance shall meet the requirements of the national standards GB 3804-2004 High-voltage alternating-current switches for rated voltage above 3.6kV and less than 40.5kV and GB 16926-2009 High-voltage alternating current switch-fuse combinations. The fuse combination unit can break the short-circuit current and has the function of single-phase fuse three-phase tripping and breaking. It is the ideal selection for protecting the line, equipment and Transformer.The series load switch has features of small size, light weight, simple and reasonable structure,small operating force, reliable performance and convenient maintenance,ect. It can be mounted on the wall or intalled in the HV Switchgear and it is a type of HV load switch with advantageous cost performance.

Model Specification
Indoor AC HV load switch-fuse combination unit

Note: The sensor with live display can be used for the switch insulator.

Characteristics:
          ---small size
          ---light weight
          ---simple & reasonable structure
          ---small operating force
          ---reliable performance & convenient maintenance

Service Conditions
          1.Altitude≤1000m;
          2.Ambient temperature-25ºC-+ 40ºC;
          3.The daily average of relative humidity shall not be larger than 95% and the monthly average shall not be               larger than 90%:
          4.The ambient air shall not be subject to the obvious pollution such as corrosive or combustible gas and                   steam;
          5.The site without fire hazards and explosion hazards;
          6.The site that the seismic intensity does not exceed degree 8; the gradient shall not exceed 5°

Main Technical Parameters
 

Serial No.	Item	Unit	YFN5-12R(T)Load Switch-Fuse Combination Unit
1	Rated Voltage	kV	12
2	Rated frequency	HZ	50
3	Rated current	A	Max.rated current of fuse equipped:125A
4	Rated short-circuit breaking current of fuse	kA	31.5
5	Rated breaking transfer(handover)current	A	1000
6	Main loop resistance	μΩ	≤120
7	Rated active load breaking current	A	630
8	5% rated active load breaking current	A	31.5
9	Rated closed loop breaking current	A	630
10	Rated cable charging breaking current	A	10
11	Rated short-time withstand current(thermal stability current)/duration	kA/s	20/2
12	Rated short-time withstand current(thermal stability current)/duration of Earthing switch	kA/s	16/2
13	Rated peak withstand current(dynamic current)	kA	50
14	1 min power-frequency withstand voltage(effective value)to earth,phase-to-phase/isolating fracture	kV/kV	42/48
15	Full-wave lightning impluse withstand voltage(peak) to earth,phase-to-phase/isolating fracture	kV/kV	75/85
16	Mechanical life	Time	2000
17	Rated opening operation voltage	V	≌220/110
18	Time of switch opening triggered by breaking of fuse	ms	35±5
19	Impact output energy at breaking of fuse	J(Joule)	1

 



 







 

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Product Categories : 12kV Indoor HV load switch