Vertical high voltage outdoor switch disconnector
252 kV | GW22 Chint Electric Co.,Ltd.

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

Application: in 252kV power system, for separating the circuits under off-load status, setup air electrical clearing between the tested electrical apparatuses and electrified circuit.
Ratings: 252kV, 3150A
Standards: IEC 62271-102

Features:
 With the min. phase distance and vertical length compared with similar products.
 With high mechanical intensity and light by adoption of aluminum alloy at the conductive part.
 Reliable operation.
 Environment influence reduced with the operation mechanism and balancing spring sealed in tubes.

Technical Data:
 Rated voltage (kV): 252
 Rated current (A): 1250 to 3150
 Rated short-time withstands current(RMS), 3s (kV): 40 to 50
 Rated withstands current (peak) [kA]: 100 to 125
 Rated power frequency withstand voltage (RMS):
- To earth (kV): 460
- Breaks (kV): 530
 Rated lighting impulse withstand voltage (peak)
- To earth (kV): 1050
- Breaks (kV): 1200