EK-3030 digital temperature controller is a dedicated control unit for commercial refrigeration equipment, equipped with high-precision NTC temperature sensor with measuring range -40℃ to 99℃. It adopts dual independent relay outputs to control refrigeration compressor and automatic defrost separately, with adjustable defrost interval and duration to avoid ice accumulation. Clear bright LED screen shows real-time temperature and running status, simple physical keys for quick parameter setting. Built-in multiple protection functions including over-temperature alarm, sensor failure reminder and compressor delay startup to protect refrigeration units. Compatible with AC110-220V wide voltage, DIN rail installation saves cabinet space. Anti-interference circuit supports long-term stable operation, widely used in cold storage, display freezers, refrigerated cabinets and small cold rooms. Stable performance and favorable wholesale price, perfect for refrigeration equipment suppliers and distributors.