The Oil Impregnated Paper (OIP) bushings from Trench cover a voltage range from 72.5 kV up to 1100 kV and a current rating of up to 5 000 A. They are designed to IEC 60137 and other international standards and are offered for transformer, switchgear, wall and other high‑voltage applications.
The product line includes optional extras such as current‑transformer extensions, arcing horns, special outdoor porcelains and ANSI‑type potential tapping. Features include a 36‑inch vertical installation clearance, oil‑level indicators on all units, and magnetic indicators on bushings above 245 kV, ensuring reliable operation in demanding environments.
| Voltage Range | 72.5 kV to 1100 kV |
|---|---|
| Current Rating | up to 5 000 A |
| Standard | IEC 60137 |
| Installation Clearance | up to 36" from vertical |
| Oil Level Indicator | provided on all bushings |
| Magnetic Indicator | on bushings over 245 kV |
The OTA bushings are rated from 72.5 kV up to 1100 kV.
They can handle currents up to 5 000 A.
They are designed in accordance with IEC 60137 and other international standards.
Yes, oil level indicators are provided on all bushings, with magnetic indicators on units above 245 kV.