The expertly designed CM-UFD range of grid feeding relays ensures safe and reliable monitoring of numerous grid parameters when feeding energy into the public grid.
Main features include- Monitoring of voltage and frequency in single and three-phase mains (2-wire, 3-wire, or 4-wire AC systems) 0-minutes average value monitoring Rate of change of frequency monitoring configurable Vector shift detection configurable Error memory for up to 99 entries Password protection available
Attribute
Value
Monitoring Application
Frequency, Voltage
Electrical Phase
1, 3
Contact Configuration
SPDT
Voltage Sensitivity
Overvoltage, Undervoltage
Time Delay
±20ms
Frequency Sensing Range
40 → 60Hz
Series
CM-UFD
Maximum Operating Temperature
+60°C
Dimensions
108 x 67 x 90mm
Current Range
6.4mA
Height
90mm
Maximum Frequency Sensed
60Hz
Length
108mm
Minimum Voltage Sensed
0V ac
Minimum Frequency Sensed
40Hz
Operating Temperature Range
+60°C
Frequency Sensitivity
Overfrequency, Underfrequency
Terminal Type
Screw
Special Features
Autotest Function, Monitoring of ROCOF (Rate of Change of Frequency), Multiline Backlit LCD Display
