The ICM492 constantly monitors line voltage and protects single-phase equipment against low and high voltage conditions, and rapid short cycling due to voltage fault or power interruption. Its easy-view, backlit digital display makes it user friendly to read and monitor voltage conditions, and adjust parameters to meet specific needs. Single Phase Line Voltage Monitor Protects Against Over and Under Voltage, and Rapid Short Cycling caused by Transient Faults and Power Interruptions Easy-view, Backlit Digital Display RMS Voltage Monitoring Adjustable Voltage Set Point Adjustable Over Voltage Setting Adjustable Under Voltage Setting Adjustable Anti-Short Cycle Time Delay Adjustable Response Time Control Mode 5-Fault Memory Universal Line Voltage Input Heavy Duty SPDT Relay Output Universal Control Voltage Input for integrating a thermostat SPECIFICATIONS User Adjustable Settings:– Voltage setpoint: 95-280 VAC– Anti-short cycle time delay: 0-720 seconds– Over voltage setting: 5-25%– Under voltage setting: 5-25%– Control mode: On and Off– Response time: 0.1 to 10 secondsInputs:– Voltage: 80 to 300 VAC– Frequency: 50/60 Hz– Accuracy: ±2%– Low Power Consumption: max 50 mA @ 120V, max 100 mA @ 240V– Control Voltage: 18 to 240 VACOutput:– Type: Dry relay contacts– Form: SPDTRelay Contact Ratings:– N.C. Contacts: 10A resistive @ 277 VAC– N.O. Contacts: 10A resistive @ 277 VACConnection Terminals:– 0.25” male fast-onEnvironmental:– Operating temperature range: -40°C to +70°C– Storage temperature range: -40°C to +85°C– Maximum Operating/Storage Relative Humidity: 95% non-condensing
