ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT
Technical documents
Specifications
Brand
ABBMonitoring 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
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
Number of Poles
1
Minimum Operating Temperature
-20°C
Width
67mm
Maximum Operating Temperature
+60°C
Dimensions
108 x 67 x 90mm
Current Range
6.4mA
Product details
CM-UFD Grid Feeding Relays
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
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Technical documents
Specifications
Brand
ABBMonitoring 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
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
Number of Poles
1
Minimum Operating Temperature
-20°C
Width
67mm
Maximum Operating Temperature
+60°C
Dimensions
108 x 67 x 90mm
Current Range
6.4mA
Product details
CM-UFD Grid Feeding Relays
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