ABB Frequency, Voltage Monitoring Relay With SPDT Contacts, 1, 3 Phase, 24 240 V ac/dc

  • RS Stock No. 876-2554
  • Mfr. Part No. CM-UFD.M22
  • Manufacturer ABB
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
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

Attribute Value
Monitoring Application Frequency, Voltage
Supply Voltage 24 240 V ac/dc
Contact Configuration SPDT
Voltage Sensitivity Overvoltage, Undervoltage
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
Time Delay ±20 ms
Frequency Sensing Range 40 60 Hz
Length 108mm
Width 67mm
Operating Temperature Range -20 +60 °C
Terminal Type Screw
Mounting Type DIN Rail, Snap-In
Maximum Voltage Sensed 312 (2 Wire) V ac, 312 (4 Wire) V ac, 540 (3 Wire) V ac
Height 90mm
Series CM-UFD
Standards Met CE, CEI 0-21: 2012-06 + CEI 0-21, EMC, IEC/EN 60255-1, RoHS, V1: 2012-12 + A70 Terna
Frequency Sensitivity Overfrequency, Underfrequency
Dimensions 108 x 67 x 90 mm
Maximum Operating Temperature +60°C
Number of Poles 1
Current Range 6.4 mA @ 230 V ac (Input), 64 mA @ 24 V dc
Minimum Voltage Sensed 0 V ac
Special Features Autotest Function, Monitoring of ROCOF (Rate of Change of Frequency), Multiline Backlit LCD Display
Maximum Frequency Sensed 60Hz
Minimum Operating Temperature -20°C
Minimum Frequency Sensed 40Hz
3 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 1,461.06
(exc. GST)
$ 1,680.22
(inc. GST)
Per unit
1 +
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