General Introduction
GW series of high voltage disconnecting switch (disconnector) is with rated volltage from 40.5KV to 1100KV, with rated current up to 6300A.
Product Description
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 |
2. Technical parameters of GW7 disconnecting switch.
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) |
3. Technical parameters of GW10A and GW11A disconnecting switch.
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 |
4. Technical parameters of GW6, GW11A, GW45 disconnector
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 |
Detailed Photos