Description
The Supco SPB1401F Defrost Timer is a time-cycle control component used to manage automatic defrost scheduling in refrigeration equipment. It operates on an 8-hour run cycle followed by a 20-minute defrost period it coordinate regular ice removal intervals through timed switching of system components. In HVAC systems, it is typically installed in refrigeration and cooling units where it controls defrost cycles by alternating between cooling operation and defrost mode, ensuring consistent cycle timing and proper system coordination between the timer, compressor and defrost elements.









