S/No. PARAMETER DESCPRITION UNIT GUARANTEE DATA
1 Rated Voltage kV 330 330
2 Maximum service voltage kV 362 363
3 Number of poles 3 3
4 Rated frequency Hz 50 50
5 Rated normal current A 3150 3150
6 Rated short time current for isolator and earth switch kA 40 40
7 Rated peak withstand current for isolator and earth switch kApk 100 100
8 One minute power frequency withstand voltage
- To earth and between poles kVrms 450 450
- Across isolating distance kVrms 520 520
9 Lightning impulse withstand voltage
- To earth and between poles kVrms 1175 1175
- Across isolating distance kVrms 1175 1175
10 Switching impulse withstand voltage
- To earth and between poles kVrms 950 950
- Across isolating distance kVrms 950 950
11 Creepage distance mm/kV 25 25
12 Ambient temperature range oC -1 to +40 -1 to +40
13 Relative humidity % 80 80
14 Altitude above sea level m 1300 1300
15 Operating mechanism type Motor operated, control voltage 220V DC Motor operated SRCJ2
control voltage 220V DC
16 Earthing switch operating mechanism Independent manual drive, mechanically interlocked with main blades Independent manual drive
SRCS
mechanically interlocked with main blades
17 Type of break Two column rotary type with horizontal break Two column rotary type with horizontal break
GW23B-363
18 Applicable standard IEC 62271-102 IEC 62271-102
19 Isolator outline drawing To be provided with Bid provided
20 Foundation detail drawings To be provided with Bid provided
21 Quality assurance certification To be provided with Bid provided
22 Type tests Bidder to provide previous test certificates/results provided
Audited Supplier 
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