Lionel KW 190 Watt 2 Train Transformer with Whistle

Lionel KW 190 Watt 2 Train Transformer with Whistle Lionel KW 190 Watt 2 Train Transformer with Whistle. The KW is Lionel‘s second largest Postwar Era transformer and has a variety of nice features, including dual controls, whistle and direction controls for both controllers, a circuit breaker with overload light, fixed voltage outputs for accessories and a nice compact attractive casing. The three fixed voltage outputs are 6 volts, 14 volts, and 20 volts. The KW is among the most reliable of Lionel‘s transformers.