Novus N321R NTC LVD "Low Voltage Detector" Temperature controller

N321R NTC LVD "Low Voltage Detector" ; The N321R is a temperature controller dedicated to applications in refrigeration. The defrost cycle is accomplished by turning off the compressor at time intervals chosen by the user. Pt100, Pt1000 and thermistor sensors inputs available. Adjust for ON and OFF durations. Auto defrost at programmable intervals. Manual Defrost key in the front panel.