Product Description
Product Type: EP12/1250-25B
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 |
48kV,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 |
20Micro ohms |
13.Capacitor Switching Capacity(Single Bank) |
400A,r.m.s |
MECHANICAL DATA |
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 |
48kV,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 |
20Micro ohms |
13.Capacitor Switching Capacity(Single Bank) |
400A,r.m.s |
MECHANICAL DATA |
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