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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