General details

ETI-1221 is an electronic thermostat with variable temperature differentials, an independent control relay, and a DIN rail–mounted contacts built-in panel.
The thermostat is designed for pipe tracing of high-temperature industrial lines temperature and other heating systems control. Sensor (*) ETF 144/99 or ETF-622 is applicable, depends on controlled temperature requirements. Both sensors can be prolonged with a 100 m cable.