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Device application
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Sub billing
Power monitoring
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Power quality analysis
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Total harmonic distortion
Up to the 15th harmonic
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Type of measurement
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Apparent power min/max, total
Active and reactive power min/max, total
Current min/max, avg
Voltage min/max, avg
Frequency min/max, avg
Total current harmonic distortion THD (I) per phase
Total voltage harmonic distortion THD (U) per phase
Power factor min/max, avg
Apparent energy total
Active and reactive energy total
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Metering type
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Current I, I1, I2, I3
Peak demand power PM, QM, SM
Active, reactive, apparent energy (signed, four quadrant)
Peak demand currents
Active power P, P1, P2, P3
Calculated neutral current
Voltage U, U21, U32, U13, V, V1, V2, V3
Unbalance current
Reactive power Q, Q1, Q2, Q3
Demand power P, Q, S
Apparent power S, S1, S2, S3
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Accuracy class
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Class 1 active energy conforming to IEC 62053-21
Class 1 reactive energy conforming to IEC 62053-24
Class 5 harmonic distorsion (I THD & U THD)
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Measurement accuracy
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Apparent power +/- 1 %
Active energy +/- 1 %
Reactive energy +/- 1 %
Active power +/- 1 %
Voltage +/- 0.5 %
Power factor +/- 0.01
Current +/- 0.5 %
Frequency +/- 0.05 %
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Measurement current
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5…6000 mA
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Measurement voltage
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35…480 V AC 50/60 Hz between phases
20…277 V AC 50/60 Hz between phase and neutral
480…999000 V AC 50/60 Hz with external VT
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Frequency measurement range
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45…65 Hz
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[Us] rated supply voltage
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44...277 V AC 45...65 Hz +/- 10 %
44...277 V DC +/- 10 %
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Network frequency
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50 Hz
60 Hz
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Ride-through time
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100 ms 120 V AC typical
400 ms 230 V AC typical
50 ms 125 V DC typical
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[In] rated current
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1 A
5 A
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Maximum power consumption in VA
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6 VA at 277 V AC
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Maximum power consumption in W
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3.3 W (power lines (AC))
2 W at 277 V (power lines (DC))
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Input impedance
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Current (impedance <= 0.3 mOhm)
Voltage (impedance > 5 MOhm)
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Tamperproof of settings
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Protected by access code
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Display type
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7 segments LED
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Display colour
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Red
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Messages display capacity
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3 fields of 4 characters
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Display digits
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12 digit(s) - 14.2 mm in height
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Demand intervals
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Configurable from 1 to 60 min
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Information displayed
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Demand current (past value)
Demand current (present value)
Demand power (past value)
Demand power (present value)
Voltage
Current
Frequency
Energy consumption
Harmonic distortion
Power factor
Active power
Apparent power
Reactive power
Unbalanced in %
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Control type
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3 x button
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Local signalling
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Red LED: output signal 1...9999000 pulse/ k_h (kWh, kVAh, kVARh)
Green LED: module operation and integrated communication
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Number of inputs
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0
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Number of outputs
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0
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Communication port protocol
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Modbus RTU at 4800 bps, 9600 bps, 19200 bps, 38.4 Kbps even/odd or none - 2 wires, insulation 2500 V
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Communication port support
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Screw terminal block: RS485
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Data recording
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Time stamping
Min/max for 8 parameters
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Function available
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Real time clock
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Sampling rate
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64 samples/cycle
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Cybersecurity
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Enable/disable communication ports
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Communication service
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Remote monitoring
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Product certifications
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CE conforming to IEC 61010-1
CULus conforming to UL 61010-1
CULus conforming to CSA C22.2 No 61010-1
RCM
EAC
C-Tick
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Mounting mode
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Clip-on
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Mounting position
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Vertical
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Mounting support
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Framework
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Provided equipment
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1 x installation guide
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Measurement category
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Category III 480 V
Category II 480…600 V
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Electrical insulation class
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Double insulation
Class II
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Flame retardance
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V-0 conforming to UL 94
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Connections - terminals
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Current transformer: screw connection (bottom) 6
Voltage inputs: screw connection (top) 4
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Material
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Polycarbonate
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Width
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96 mm
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Depth
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Total : 76.09 mm
Embedded : 61.64 mm
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Height
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96 mm
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Product weight
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300 g
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Compatibility code
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PM2120
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REACh Declaration