Calectro CFA, Electronic frost protection thermostat

✅ CFA Electronic frost protection alarm with keep-warm function, double relay and digital display

✅ Available with 24 V- ( CFA-24V) and 230 V operating voltage (CFA-230V)

✅ Very simple settings 

✅ Backwards compatible with Calectro's EFST-6 frost protection alarm

✅ 2 alternating, potential-free relays

✅ Illuminated digital display

✅ Fine adjustment of the temperature measurement

✅ Selectable output signal 0-10 V or 10-0 V

✅ Selectable temperature sensor: NTC (factory settings, Calectro type: 22/33/44/55/99), Pt1000, Pt100, Ni1000 and PTC (Calectro type: 95)