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| zzHVDC DISC INSULATORS-800kV |
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| Sl.no |
Product Identification |
CB-39 |
CB-42 |
CB-44 |
CB-46 |
| 1 |
Porcelain Disc Diameter |
mm |
380 |
380 |
380 |
380 |
| 2 |
Unit Spacing |
mm |
195 |
205 |
195/205 |
195/205 |
| 3 |
Ball & Socket Coupling |
mm |
24 |
28 |
24 /28 |
24/28 |
| 4 |
Creepage Distance |
mm |
640 |
640 |
590 |
590 |
| 5 |
Protected Creepage Distance (900) |
mm |
420 |
420 |
295 |
390 |
| 6 |
Electro-Mechanical Min. Failing Load |
kN |
320 |
420 |
320 /420 |
320/420 |
| 7 |
Pf-Dry Flashover Voltage |
kV |
±175 |
±175 |
±175 |
±175 |
| 8 |
Pf-Dry Withstand Voltage |
kV |
±160 |
±160 |
±160 |
±160 |
| 9 |
Pf-Wet Flashover Voltage |
kV |
±75 |
±75 |
±75 |
±75 |
| 10 |
Pf-Wet Wtihstand Voltage |
kV |
±70 |
±70 |
±70 |
±70 |
| 11 |
Impulse Flashover Voltage |
kVp |
155 |
155 |
155 |
155 |
| 12 |
Impulse Withstand Voltage |
kVp |
45 |
145 |
145 |
145 |
| 13 |
Power Frequency puncture Voltage |
kV |
140
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140 |
140 |
140 |
| 14 |
Weight of Unit (Approx) |
kg |
16.5
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17.5 |
18.5/19.5 |
17.0/18.0 |
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Ball and Socket parts refer to IS:2486 (Part-II) or BS-3288:Part-3 or IEC-60120. Standard Testing Specification:BSEN-60383-2 or IEC-61325 & 60383
Flashover & withstand Voltages are subject to a variation of 5% for DC Dry , 10% for DC Wet and 8% for Impulse characteristics. |
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