This is a train controller for Trix DC model railroads, for use with the 65556 transformer.
It has refined speed control for gentle startup and acceleration. Reversing direction is done positively by turning the control knob from the center position. The controller has a zero setting stop, separate outputs for DC train current and for AC accessory current. The controller has quick acting spring-loaded terminal clips.
Technical data: Power output in the train control circuit is up to 21 VA, 14 volts DC. Power output in the accessory circuit is up to 32 VA, 16 volts AC.
Dimensions: 85 x 140 x 75 mm / 3-3/8" x 5-1/2" x 2-15/16".
The 65555 train controller is not to be used outdoors.