IEC 62271, ANSI/IEEE Std C37, NEMA
ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
High altitude correction per IEC 62271 & IEEE C37, ~ 5000m
Copper and silver moving contact
Insulator double row ball bearings
Adjustable open and close position stops
Vertical Knee Disconnector 126~363kV
GW10 | Unit | GW10-126 | GW10-145 | GW10-252 | GW10-363 | |
Rated voltage | kV | 126 | 145 | 252 | 363 | |
Rated Frequency | Hz | 50 | 50 | 50 | 50 | |
Rated current | A | 2000 | 2500 | 2500~5000 | 4000~5000 | |
Rated short-time withstand current and duration | kA/s | 40/3 | 40/3 | 50/3,63/3 | 63/3 | |
Rated peak withstand current | kA | 100 | 104 | 125/160 | 160 | |
Rated short-time power frequency withstand voltage(rms) | To earth | kV | 230 | 311 | 460 | 510 |
Across Breaks | kV | 230+70 | 311+45 | 460+145 | 510+210 | |
Rated lightning impulse withstand voltage(peak) | To earth | kV | 550 | 735 | 1050 | 1175 |
Across Breaks | kV | 550+100 | 735+113 | 1050+200 | 1175+295 | |
Rated switching impulse withstand voltage | To earth | kV | - | - | - | 950 |
Across Breaks | kV | - | - | - | 850+295 | |
Switching capacitive current | A | 1 | 1 | 1 | 2 | |
Switching inductive current | A | 0.5 | 0.5 | 0.5 | 1 | |
Rated busbar transferring current | A | 1600 | 1600 | 1600 | 1600 | |
