The Middle Atlantic FC-4-1CA is a sophisticated fan control system designed to extend both equipment and fan life while reducing service calls. It achieves this by varying the fan speed of up to four fans based on temperature. Key features include three user-selectable temperature ranges, a local on/off switch, status LEDs, and a temperature probe with a 5 ft. Wire. This control is specifically designed to work with AC fans offered by Middle Atlantic Products or other fans with similar specifications. The maximum fan load is 1.5 Amps at 120 volts. The unit can be mounted to rackrail brackets or any flat surface and. Includes four controlled outlets for fans. The proportional speed thermostatic control ensures optimal performance by adjusting fan speed according to the enclosure's temperature, with options for three temperature ranges and a proportional/full on switch.