ZL-6210A+ Digital Thermostat Temperature Controller Switch — 30A Output, Calibratable

User-friendly temperature controller with selectable °C/°F readout for easy monitoring. Equipped with dual-relay outputs to switch refrigeration and heating devices automatically as conditions require. Precise regulation achieved by setting a temperature setpoint together with an adjustable difference (hysteresis) value. Built-in alarm notifies you if temperature goes beyond preset limits or if a sensor fault is detected. Safety features include configurable temperature limits and a programmable compressor delay to safeguard your refrigeration or heating equipment.