High Seismic Resistance 15kV 25kV 200A Loadbreak Feed-thru Insert for Pad-mounted Transformer
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15kV / 200A Loadbreak Feed-thru Insert
The loadbreak feed-thru insert threads onto a standard 200A bushing well and provides dual loadbreak bushing interfaces.It can convert radial-feed transformers to feed thru transformers and add in-line arrester protection if needed.The torque limit ratchet feature prevents the bushing well stud from breaking during installation. The ratchet feature allows users to rotate the feed thru insert for 360°to orient the feedthru insert in the desired position.The Loadbreak Feed Thru Insert meets all the requirements of IEEE Standard 386, when installed with mating components, the bushing insert provides a fully shielded and fully submersible connection for loadbreak applications.
| Rated Voltage(Phase-to-Phase) | 15kV | 25kV |
| Withstand Voltage(50/60Hz) | 34kV/1min. | 40kV/1min. |
| BIL and Full Wave Crest | 95kV | 125kV |
| Minimum Corona Voltage Level | 11kV | 19kV |
| Continuous Current | 200A | 200A |
| Switching | 10 operations at 200A rms at 14.4kV | 10 operations at 200A rms at 26.3kV |
| Fault Close | 10,000Arms symmetrical at 14.4kV for 0.17s after 10 consecutive successful switching operations | 10,000A rms symmetrical at 26.3kV for 0.17s after 10 consecutive successful switching operations |
| Short Time Withstand Current | 10kA rms symmetrical for 0.17s | 10kA rms symmetrical for 0.17s |
| 3.5kA rms symmetrical for 3.0s | 3.5kA rms symmetrical for 3.0s |
