GW series of high voltage disconnecting switch (disconnector) is with rated volltage from 40.5KV to 1100KV, with rated current up to 6300A.
1. Technical parameters of GW4, GW5 disconnecting switch| Technical parameters of GW4, GW5 disconnector | GW4-40.5 | GW4-72.5 | GW4-126 | GW4-145 | GW4A-252 | GW5-72.5 | GW5-126 | |
| Rated voltage (KV) | 40.5 | 72.5 | 126 | 145 | 252 | 40.5 | 72.5 | |
| Rated frequency (Hz) | 50 | 50 | 50 | 50/60 | 50/60 | 50 | 50 | |
| Rated current (A) | 2500-6000 | 2000-5000 | 1250-3150 | 2000-3150 | 2500-4000 | 2500 | 2000 | |
| Rated short time withstand current/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 power frequency short time withstand voltage (rms) | Phase to ground | 95 | 160, 181 | 230 | 275 | 450 | 160 | 230 |
| Phase to break | 118 | 200, 226 | 230+70 | 315 | 530 | 200 | 230+73 | |
| Rated lightning impulse withstand voltage (Peak, KV) | Phase to ground | 185 | 350, 396 | 550 | 650 | 1050 | 350 | 550 |
| Phase to break | 215 | 410, 463 | 550+100 | 750 | 1200 | 410 | 550+103 | |
| Technical parameters of GW7 disconnector | GW7B-252 | GW7B-363 | GW7B-420 | GW7B-550 | GW7B-800 | GW7B-1100 | |
| Rated voltage (KV) | 252 | 363 | 420 | 550 | 800 | 1100 | |
| Rated frequency (Hz) | 50 | 50 | 50 | 50 | 50 | 50 | |
| Rated current (A) | 3150-5000 | 3150-5000 | 4000 | 6000 | 5000 | 4000 | |
| Rated short time withstand current/duration (KA/s) | 50/3, 63/3 | 63/3 | 63/3 | 63/3 | 63/2 | 63/2 | |
| Rated peak withstand current (KA) | 125/160 | 160 | 160 | 160 | 160 | 160 | |
| Rated power frequency short time withstand voltage (rms) | Phase to ground | 460 | 510 | 652 | 740 | 1086 | 1100 |
| Phase to break | 530 | 580 | 615+268 | 740+315 | 1086(+520) | 1200(+535) | |
| Rated lightning impulse withstand voltage (Peak, KV) | Phase to ground | 1050 | 1175 | 1502 | 1675 | 2375 | 2400 |
| Phase to break | 1200 | 1175+205 | 1502+379 | 1675+450 | 2375(+735) | 2400(+900) | |
| Rated switching impulse withstand voltage (KV) | Phase to ground | / | 950 | 1142 | 1300 | 1699 | 1800 |
| Phase to break | / | 850+295 | 1060+368 | 1300+450 | 1452(+726) | 1675(+900) | |
| Technical parameters of GW10A and GW11A disconnector | 126 | 145 | 252 | 363 | 420 | 550 | |
| Rated voltage (KV) | 126 | 145 | 252 | 363 | 420 | 550 | |
| Rated frequency (Hz) | 50 | 50 | 50 | 50 | 50 | 50 | |
| Rated current (A) | 2000 | 2500 | 2500-5000 | 4000-5000 | 4000 | 4000 | |
| Rated short time withstand current/duration (KA/s) | 40-3 | 40/3 | 50/3, 63/3 | 63/3 | 63/3 | 63/3 | |
| Rated peak withstand current (KA) | 100 | 104 | 125/160 | 160 | 160 | 160 | |
| Rated power frequency short time withstand voltage (rms) | Phase to ground | 230 | 311 | 460 | 510 | 652 | 740 |
| Phase to break | 230+70 | 311+45 | 460+145 | 510+210 | 615+268 | 740+315 | |
| Rated lightning impulse withstand voltage (Peak, KV) | Phase to ground | 550 | 735 | 1050 | 1175 | 1502 | 1675 |
| Phase to break | 550+100 | 735+113 | 1050+200 | 1175+295 | 1502+379 | 1675+450 | |
| Rated switching impulse withstand voltage (KV) | Phase to ground | / | / | / | 950 | 1142 | 1300 |
| Phase to break | / | / | / | 850+295 | 1060+368 | 1300+450 | |
| Technical parameters of GW6/11A/45 disconnector | GW6D-126 | GW6D-252 | GW6D-550 | GW11A-800 | GW45-800 | GW45-1100 | |
| Rated voltage (KV) | 126 | 252 | 550 | 800 | 800 | 1100 | |
| Rated frequency (Hz) | 50 | 50 | 50 | 50 | 50 | 50 | |
| Rated current (A) | 3150 | 4000 | 4000 | 5000 | 5000 | 4000 | |
| Rated short time withstand current/duration (KA/s) | 40/3 | 63/3 | 63/3 | 63/3 | 50/3 | 63/2 | |
| Rated peak withstand current (KA) | 100 | 160 | 160 | 170 | 125 | 160 | |
| Rated power frequency short time withstand voltage (rms) | Phase to ground | 230 | 460 | 740 | 985 | 1230 | 1100 |
| Phase to break | 230+70 | 460+145 | 740+315 | 985+472 | 1200+535 | 1200+535 | |
| Rated lightning impulse withstand voltage (Peak, KV) | Phase to ground | 550 | 1050 | 1675 | 2153 | 2680 | 2400 |
| Phase to break | 550+100 | 1050+200 | 1675+450 | 2153+667 | 2680+590 | 2400+900 | |
| Rated switching impulse withstand voltage (KV) | Phase to ground | / | / | 1300 | 1580 | 1860 | 1800 |
| Phase to break | / | / | 1175+450 | 1329+665 | 1620+810 | 1675+900 | |

















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