Profile: CADAMP LIMITED is a designer and manufacturer of a wide range of electronic and electrical control products. We mainly concentrate on the heating and ventilation industry. Fan speed controllers and electric heater battery controls are our mainstream products. Our electronic step controlled electric heater battery controllers feature door interlocking isolator, auto/hand selector switch, individual fusing for each heating element, thermal overload and fuse protection for fan, and built-in run on timer. It supports connections for electric heater battery, supply fan, external timeclock, temperature sensing, airflow switch, filter pressure switch, and high temperature cutout. We also avail a range of DC-speed controllers for de-stratification and energy conservation fans.