This general purpose is to modulated, pulse width, low voltage DC controller it can be operated in any of the following modes:
Motor Control: High Frequency speed control set by a 5K Ohms potentiometer.
Lighting/Heating Control: Low frequency output level that is set by a 5K Ohms potentiometer.
Temperature Control: Thermistor connected with a temperature range of 5-130°C. Temperature set by a 5K Ohms potentiomete.
Visit the United Automation website for more information on DC Control