12kv Series Factory Manufacture High-Voltage Isolating Switch--Yfg38-12D

Model NO.: YFG38-12D Structure: Three-column Disconnector Operation: Manual or Electric Number of Poles: Three Pole Certification: ISO, CE Origin: Jiangyin Yunfeng, China Type: High-voltage Installation: Indoor High-Voltage Grounding Mode: Grounding Structure of Operating: Electric Trademark: YF Product Overview
YFG38-12kV series indoor AC HV disconnector with obvious safe fracture self-designed and developed by our company according to GB 1985-2004 HV AC Disconnectors and Earthing Switches. Such disconnector has features of small size, simple and reasonable structure, small closing/opening operation force of spring mechanism, reliable performance and conveninet maintenance, ect. Being used with 12kV HV fixed Fuse and PT, CT in the cabinet, it is a HV disconnector with advantageous cost performance.


     


Model Specification
 

Characteristics;
     ---small size
     ---simple and reasonable structure
     ---small closing/opening operation force of spring mechanism
     ---reliable performance and convenient maintenance

Main Technical Parameters

Serial No.	Item	Unit	Disconnector
1	Rated voltage	kV	12
2	Rated current	A	630; 1250
3	Rared frequency	Hz	50
4	Rated peak withstand current	kA	63
5	Rated short-time withstand current(4 seconds)	kA	25
6	1 min power-frequency withstand voltage (efective value) to earth,phase-to-phase/ isolating fracture	kV/kV	42/48
7	Full-wave lightning impluse withstand voltage  (peak) to earth,phase-to-phase/ isolating fracture	kV/kV	75/85
8	Main loop resistance	μΩ	≤50; ≤35
9	Phase-to-phase center distance	mm	210±3 or 185±3
10	Isolation contact knife switch	mm	≥125
11	Maximum manual operation torque	N.m	≤100

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°

Structural Characteristics of HV Disconnector
     The multiple installation modes of the HV disconnector meet the customer's multiple service conditions
      A. Installation modes---switch upper wiring front installation, switch lower wiring invert installation, switch wall-mounted installation(equipped with the wll-mounted installation Operation Mechanism)
     B. Operation modes---switch side operation, switch front operation.



 

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Product Categories : Indoor HV Isolating switch