The UBB is a selector switch type of on-load tap-changer. It is designed for mounting inside of the transformer tank, but many of the features and benefits our customers appreciate from our UZ on-tank technology. This combination of the best qualities from both types of tap-changer makes the UBB model unique in its design and operation. Primarily designed for small and medium-sized transformers, the unit is compact and cost-effective compared to equivalent diverter switch types of tap-changers.
- Base technology: Conventional, resistance, in-tank, selector switch
- Common applications: Network, special