Operating Temperature Range: | -20 → +60 °C |
---|---|
Frequency Sensing Range: | 40 → 60 Hz |
Frequency Sensitivity: | Overfrequency, Underfrequency |
Minimum Operating Temperature: | -20°C |
Maximum Operating Temperature: | +60°C |
Terminal Type: | Screw |
Electrical Phase: | 1, 3 |
Voltage Sensing Range: | 0 → 312 (2 Wire) V ac, 0 → 312 (4 Wire) V ac, 0 → 540 (3 Wire) V ac |
Number of Poles: | 1 |
Supply Voltage: | 24 → 240 V ac/dc |
Mounting Type: | DIN Rail, Snap-In |
Voltage Sensitivity: | Overvoltage, Undervoltage |
Standards Met: | CE, CEI 0-21: 2012-06 + CEI 0-21, EMC, IEC/EN 60255-1, RoHS, V1: 2012-12 + A70 Terna |
Width: | 67mm |
Current Range: | 6.4 mA @ 230 V ac (Input), 64 mA @ 24 V dc |
Maximum Voltage Sensed: | 312 (2 Wire) V ac, 312 (4 Wire) V ac, 540 (3 Wire) V ac |
Time Delay: | ±20 ms |
Brand: | ABB |
Minimum Frequency Sensed: | 40Hz |
Minimum Voltage Sensed: | 0 V ac |
Contact Configuration: | SPDT |
Monitoring Application: | Frequency, Voltage |
Maximum Frequency Sensed: | 60Hz |
Height: | 90mm |
Special Features: | Autotest Function, Monitoring of ROCOF (Rate of Change of Frequency), Multiline Backlit LCD Display |
Series: | CM-UFD |
Dimensions: | 108 x 67 x 90 mm |
Length: | 108mm |
Quick Details
Specifications
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
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