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
Flexible contacting outgoing base
Strong current flow in conductive rod contact finger
Accurate transmission and ease of commission
Center Break Disconnector 40.5~252kV
GW4/GW5 | Unit | GW4-40.5 | GW4-72.5 | GW4-126 | GW4-145 | GW4-252 | GW5-72.5 | GW5-126 | |
Rated voltage | kV | 40.5 | 72.5 | 126 | 145 | 252 | 72.5 | 126 | |
Rated Frequency | Hz | 50\60 | 50\60 | 50\60 | 50\60 | 50\60 | 50\60 | 50\60 | |
Rated current | A | 2500~4000 | 2000~4000 | 1250~3150 | 2000~3150 | 2500~4000 | 2500 | 2000 | |
Rated short-time withstand current and duration | kA/s | 40/3,50/3 | 40/3,50/4 | 40/3 | 40/3,50/3 | 50/3,63/3 | 40/3 | 40/3 | |
Rated peak withstand current | kA | 100,125 | 100,125 | 100 | 100,125 | 125,160 | 100 | 100 | |
Rated short-time power frequency withstand voltage(rms) | To earth | kV | 95 | 160,181 | 230 | 275 | 460 | 160 | 230 |
Across Breaks | kV | 118 | 200,226 | 230+70 | 315 | 530 | 200 | 230+73 | |
Rated lightning impulse withstand voltage(peak) | To earth | kV | 185 | 350,396 | 550 | 650 | 1050 | 350 | 550 |
Across Breaks | kV | 215 | 410,463 | 550+100 | 750 | 1200 | 410 | 550+103 | |
Rated busbar transferring current | A | 1600 | 1600 | 1600 | 1600 | 2000 | 1600 | 1600 | |
