The Integral Deadreak Bushing combines the advantages of reliable integral design with the operating features required for three-phase switching. The bushing is designed for padmounted transformers, switchgear and other apparatus fliled with transformer oil, or an approved equivalent. It eliminates the insert-to-well interface present in bushing well and insert primary terminations. The Bushing is molded with high quality insulating material. When mated with comparably rated products, it provides a fully shielded, submersible and separable connection for loadbreak operation.
Order Information
| Description | Reference No. | Voltage Rating | Current Rating |
| 15kV 600A Integral Deadbreak Bushing | UG DB-15/600 | 15kV | 600A |
| 25kV 600A Integral Deadbreak Bushing | UG DB-25/600 | 25kV | 600A |
Electrical Characteristics
| Voltage Rating | 15kV | 25kV |
| Maximum Rating Phase-to-phase | 14.4kV | 26.3kV |
| Maximum Rating Phase-to-ground | 8.3kV | 15.2kV |
| AC 50Hz 1 Minute Withstand | 34kV | 40kV |
| DC 15 Minute Withstand | 53kV | 78kV |
| BIL and 1.5 / 50µs Impulse Withstand Voltage | 95kV | 125kV |
| Partial Discharge Voltage | 11kV ( <3pC) | 19kV ( <3pC) |
| Continuous Current | 600A | 600A |
| 24h Overload | 1000A | |
| Short Time | 25kA rms sym. for 0.17s(60Hz)/0.2s(50Hz) 10kA rms sym. for 3.0s | |
| Meets ANSI/IEEE 386 , latest version. Mate with bushing interface figure 11. | ||
Bom
– Integral Deadbreak Bushing
– Covering Cap
– Installation Instruction Sheet(Optional)
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