6.3 General Main Dimensions
Note : The precise dimensions are contained in the dimensions drawings supplied. The dimensions in
Table 5 are standard values.
9/113
Figure 7 : General main dimension of SFG two-column rotary disconnector
Table 5 : General main dimensions of type SGF two-column rotary disconnector (standard values)
Rated voltage kV 36 72.5 123 145 170 245 300 362
Rated normal current A 1600 1600 1600 1600 1600 1600 1600 1600
2500 2500 2500 2500 2500 2500 2500 2500
3150 3150 3150 3150 3150 3150 3150 3150
A Support-insulator distance mm 1000 1000 1400 1650 1830 2620 2620 3200
B Base-frame Length mm 1300 1300 1700 1950 2130 2920 2920 3500
C Disconnector Height
for 1650 A mm 1093 1325 1775 2055 2255 2855 3205 3255
for 2500 A mm 1143 1375 1825 2105 2305 2905 3255 3255
for 3150 A mm 1193 1425 1875 2155 2355 2955 3305 3305
D Insulator Height mm 508 770 1220 1500 1700 2300 2650 2650
E Disconnector width (open) mm 560 560 760 925 1030 1370 1370 1725
F Isolating distance mm 800 800 1200 1450 1630 2420 2300 2700
G Length of mounting of Earthing
switch mm 450 450 450 450 450 450 450 450
1HDB 050016-YN-A
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