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HV Disconnecting Switch      Type ST DS Double side break 115kV buy in Bang Sue
Buy HV Disconnecting Switch Type ST DS Double side break 115kV
HV Disconnecting Switch Type ST DS Double side break 115kV

HV Disconnecting Switch Type ST DS Double side break 115kV

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Thailand, Bang Sue
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Description
Rated voltage Ur (kV) 72.5 123 145 170 245 300 362 420 550
Rated power frequency withstand voltage TE Ud (kV) 140 230 275 352 395 460 380 450 520 620
AID Ud (kV) 160 265 315 375 460 530 435 520 610 800
Rated lightning impulse withstand voltage TE Up(kV) 352
(IEC)
350
(ANSI)
550
(IEC)
550
(ANSI)
650
(IEC)
650
(ANSI)
750
(IEC)
750
(IEC)
950
(IEC)
900
(ANSI)
1050
(IEC)
1050
(ANSI)
1050
(IEC)
-
1175
(IEC)
-
1425 (IEC)
1300
(ANSI)
1500 (IEC)
1800
(ANSI)
AID Up(kV) 375 630 750 860 1050 1200 1050
(+170)
1175
(+205)
1425
(+240)
1550
(+315)
Rated switching impulse withstand voltage TE Us(kV) - - - - - - 850 950 1050 1175
AID Us(kV) - - - - - - 700
(+245)
800
(+295)
900
(+345)
900
(+450)

TE : To Earth
AID : Across the Isolating Distance

Rated permanent Ir (A) Up to 4000 AIEC / ANSI
Rated shot-time Withstand current Ik (kA) Up to 75 kA / 3s
Rated peak withstand current Ip (kA) Up to 190 kA
Dimension(mm) A 1280 1780 2200 2200 2880 3200 3200 4200 4900 5500
B IEC 770 1220 1500 1700 2100 2300 2300 2900 3350 3650
ANSI 762 1143 1372 1575 2032 2337 - - 3099 3861
C IEC 970 1420 1720 1920 2370 2570 2570 3220 3670 3970
ANSI 962 1343 1592 1795 2302 2607 - - 3419 4181
D 900 1400 1800 1800 2300 2800 2800 3540 4240 4840
E 170 170 270 270 270 270 270 340 340 340
F - - - - - 270 270 340 340 340
G 4 x 18 4 x 18 4 x 18 4 x 18 4 x 18 8 x 18 8 x 18 8 x 18 8 x 22 8 x 22

General

C isolators are double-break disconnecting switches. They are suitable for outdoor installation, in all climates, and are capable of withstanding considerable stresses since they have been designed for working in the worst operating conditions, assuring the greatest stability and reliability. In order to meet different requirement, STC isolators can be manufactured according to the most important international standards (CEI, IEC, BS, ANSI)


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HV Disconnecting Switch Type ST DS Double side break 115kV
HV Disconnecting Switch      Type ST DS Double side break 115kV
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