Outdoor AC Disconnector H.V. GW4 Two-Column Disconnector 40,5-252kV

Application: In rated voltage 40.5~252kV power system, to separating the circuits under off-load status, set  up air electrical clearning between the tested electrical apparatuses and electrified circuit.

Standards:  IEC 62271-102

Parameters: Rated voltage: 40.5-252kV.
                     Rated current: 1250-4000A.    
                     Rated short time withstand current, 3s: 50kA.

Features:      

  1. Outstanding performances and reliable operation.
  2. Free  maintenance due to its stable contact pressure and self-cleaning capability.
  3. High anticorrosion capability.
  4. Easy installation and adjustment.

GW22 Vertical Single-Column & Single-arm Flexible Fold Type Disconnector 252kV

Application: In 252kV power system, to separating the circuits under off-load status, set  up air electrical clearning between the tested electrical apparatuses and electrified circuit.

Standards:  IEC 62271-102 

Parameters: Rated voltage: 252kV.
                     Rated current: 3150, 4000A.    
                     Rated short time withstand current, 3s: 50kA.

Features:     

  1. With the min. phase distance and vertical length compared with similar products.
  2. With high mechanical intensity and light by adoption of aluminum alloy at the conductive part.
  3. Reliable operation.
  4. Influence of the environment reduced with the operation mechanism and balancing spring sealed in tubes

GW23 Horizontal Single-arm Flexible Fold Type Disconnector 252kV

Application: In 252kV power system, to separating the circuits under off-load status, set up security air electrical clearning between the tested electrical apparatuses and electrified circuit.

Standards:  IEC 62271-102

Parameters: Rated voltage: 252kV.
                     Rated current: 3150A.    
                     Rated short time withstand current, 3s: 50kA.

Features:      

  1. With the min. phase distance and vertical length compared with similar products.
  2. With high mechanical intensity and light by adoption of aluminum alloy at the conductive part.
  3. Reliable operation.
  4. Influence of the environment reduced with the operation mechanism and balancing spring sealed in tubes.
  5. Increased contact range of moving and static contact.
  6. Most of the components could be used on GW22-252 disconnector.

HV Earthing switch 126, 252kV

Application: In 126-252kV power systems for HV busbars.
Standards:    IEC 62271-102

Parameters: Rated voltage: 126kV, 252kV.
                     Rated short time withstand current, 3s: 40kA, 50kA.
                     Rated lighting impulse withstand voltage: 550kV, 1050kV.

Features:      

  1. Compact design, stale performances and reliable contact.
  2. Good anticorrosion performances of the base.
  3. Easy installation and adjustment.