ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS
1.Rated Frequency 50/60Hz
2.Rated Maximum Line to Line Voltage 12kV,r.m.s
3.Rated Power Frequency Withstand Voltage:Air 38kV,r.m.s
4.Rated Impulse Withstand Voltage:Air 95kV,Peak
5.Rated Normal Current 1250A
6.Rated Short-Circuit Current(3Phase Symmetrical Basis) 25kA,r.m.s
7.Percentage D.C. Component of Rated S.C. Breaking Current 50%
8.Rated Short-Circuit Making Current 63kA,Peak
9.Rated Duration of Short Time Current 3s
10.Rated Short Time Withstand Current 25kA,r.m.s
11.Rated Peak Withstand Current 63kA,r.m.s
12.Maximum Contact Resistance at Minimum Closing Force 25Micro ohms
13.Capacitor Switching Capacity(Single Bank) 400A,r.m.s
MECHANICAL DATA
1.Interrupter Weight(Approx.) 2.65kg
2.Moving Part Weight(Approx.) 1.2kg
3.Contact Force from Atmospheric Pressure 15.9kgF

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