The CDC 13102 is a compact electromechanical defroster timer designed for reliable control of refrigeration systems. It enables precise management of defrost cycles within a 24-hour period, with adjustable defrost duration (typically 2–50 minutes) and configurable fan delay for optimised system performance. Built for versatility, it supports multiple supply voltages and offers robust switching capability, making it suitable for use in refrigerated cabinets, cold rooms, and a wide range of commercial and industrial cooling applications.