The RSV9/9.3 on-load tap changer is our most diverse and varied vacuum design. It is a single and three phase vacuum type tap changer with a wide range of voltage and current variants. The RSV9/9.3 is a reliable and widely used tap changer and the most popular for transformers of the medium power range.
The RSV9/9.3 guarantees low maintenance costs and long intervals between required inspections. The RSV9/9.3 is designed, manufactured and tested according to the requirements of the International Standard IEC 60214-1.
| Rated current three phase (A) | 400, 550, 700 - three phase design for regulation at neutral point |
| Rated current single phase (A) | 400, 550, 700, 1200 and 1500 - single phase design for all connection diagrams |
| Rated voltage (kV) | 72,5; 123; 170; 245 and 300 |
| Step voltage (V) | Up to 3500 |
| Connection diagrams | With and without coarse and reverse change-over selector |
| Number of steps | Up to 35 |
| Carrying flange shape | Round |
| Standard | IEC/IEEE 60214-1 |
| Selector switch insulation level | K, L, M, N and P |
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